, 1. Comments Off. Peace of mind is knowing that your newly purchased pool equipment is backed by an Extend. Comments Off. 5″ Filbur FC-9740 Unicel: FG-2413 1 – Large Grid 24″ X 17″ Filbur FC-9750 Unicel: FG-2417. Full Set of Grids for Anthony Apollo VA-52 Filter (VA52-SET) (24 inches tall) $ 295. So, check out the list and choose the one is a good fit for you. $159. E. I have an old Anthony Apollo VA-52 - 2". Full Set of Grids for Anthony Apollo VA-32 Filter (VA32-SET) (24 inches. (POX25-IN) 17 - Hayward Super Pump Diffuser for 1/3 thru 1-1/2 H. 70. Filter Grids, FG-2417 is a great way to keep your pool or spa water crystal clear. My Account. All Pool Filter Parts; Skimmer Box Parts; Pool Cleaner Parts;Pool Filters. Related Part. All Pool Filter Parts; Skimmer Box Parts; Pool Cleaner Parts; Pool Heater Parts . Related Products. Over 15,000 5-Star Reviews. Toggle menu. Anthony Apollo DE 18in. Add to Cart . 99. New pool owner and as the universe would have it my pool came with an Anthony Apollo VA-26 filter and push/pull valve. Pool Filters; Pool Jets; Pool Lights; Pool Motors; Pool Safety; Pool Toys & Accessories; Pool Heaters & Accessories. Easy to clean and easy to replace make Unicel brand filters a great option for your pool or spa. W. Bags. In Store $28. Just another WordPress site. D. This is an Anthony Apollo compatible filter element grid with center port measuring 24 x 13. Full Set of Grids for Anthony Apollo VA-38 Filter (VA38-SET) (24 inches tall) Val-Pak. Pool Parts . Mon-Fri 6am-5pm PST. Grids; Chemicals. Email this product to a friend. Add to Cart. Shop & Save On All Safety Pool Covers. View Larger. How To Change Grids On Anthony Pools Apollo Va-52 De Filter How To Change Grids On Anthony Pools Apollo Va-52 De Filter. Val-Pak Products V34-143 Complete Grid Assembly For 2 Inch VA-52 Anthony Filter Used On. Electric; Natural Gas; Parts;How To Change Grids On Anthony Pools Apollo Va-52 De Filter. I have a thirty + year old Anthony Pools / Pollo Model VA 52 filter. SKU: 621331 Details: GRID ASS'Y 52" APOLLO, COMPLETE 1 1/2" Availability: In Stock Get it by Friday, Dec 1 $839. Pool Filters. Grid Assembly, Val-Pak, Anthony Apollo, VA-38, 38" Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) NameAnthony Apollo VA-52-1. FREE delivery Thu, Nov 2 . I have an old Apollo VA-38 DE filter with brand new grids (38 sq. Pentair Pool Pumps ; Pentair Pump Motors . Pool & Spa Heaters; Pool Flow Thru Heaters;Grid Assembly Anothony Filter Apollo VA-32 32" V34-146. When the psi rises 8, it’s time to clean the used DE out of it. Our number one priority is to insure that you, the customer, receive the highest quality and safest online shopping e3' x 4' Protect-A-Pool Removable Gate. We've gathered the best Anthony pools apollo va 52 de filter discounts & prices from top websites. Val-Pak V34-126 19. With a wiggle and a pull-up, lift the grid. Grid Assembly, Val-Pak, Anthony Apollo, VA-52-2, 52", 2". Save for Later. I think that 4. Cartridge Filters; DE Filters; Pump & Filter Combo; Sand Filters; Pool Heaters. 3. Welcome to Pool Spa Outpost! 2303 RR 620 S #135-378 Lakeway TX 78734 USA (737)-210-8494; Sign in or Register; Compare ; Gift Certificates; Cart. Cartridge Filters; DE Filters; Pump & Filter Combo; Sand Filters; Pool Heaters. The heater is broken. Simi Valley, CA 93065. APC Anthony VA-52 DE Filter Complete Grid Set, APCFSVA52. Thru Shaft, Anthony Apollo DE Filter VA-52-2", Generic New, Featured, & Special Pricing Items Balboa® - BP7 5. Anthony Apollo Filter Grid Element Center Port - 24 x 17-3/4 Inches. Is the end bell supposed to come off? Is there an owners manual for this filter anyplace (the pool/filter came with the house). Above ground pools with decks are a trendy and attractive option for homeowners. 16. Val-Pak Filter Top VA-52 2, V34158, No Longer. Details: Filbur FC-9740 Replacement DE Filter Grid 24 x 13. Add to Wishlist. Free Shipping On All Orders Over $50. Anthony Apollo Pool Filter Parts VA-26 - VA-52 Starting from $3. Works with filter system to clean water. Store Details . VA52-SET (4-FC-9740 and 6-FC-9750) (APCFSVA52) Rated 5. E. Everyday Low. Unicel 4-Pack Anthony Apollo/Flowmaster Rectangular Pool Replacement Filter Grids. 58. SKU: anthony-backwash-valve-parts . Used on Anthony Apollo DE Filters: VA-26, 32, 38 require 6 VA-52, 52-2" require 4. Electric; Natural Gas;ViewAnthony Complete Grid Assy, 52 Sq Ft, 1. in All Swimming Pools Types. I will be ordering a Filter Grid Assembly Part # 4890-103. Over 20,000 quality pool and spa equipment, including pumps, filters, cleaners, heaters and many more!. Compare. Anthony Apollo DE Filter Parts (VA-26, VA-32, VA-38, VA-52, VA-52-2") | 21 parts Frequently Purchased Any key items not listed on the above schematic are no longer available. 0 HP, Square Flange Two Speed, Single Phase, 1. Anthony Apollo Pool Filter Parts VA-26 - VA-52 Part Selector: (Click to view larger) Parts: #0 Val-Pak - Grid Assembly 52in. Cartridge Filters; DE Filters; Pump & Filter Combo; Sand Filters; Pool Heaters. The VA-52 Uses The Same Grids but Uses 10 Grids, Use Angset6-4. com. Allow 5-7 Days to Ship. Anthony Tank Clamp - New Style Used On Anthony Apollo Va-52 Filter Partanthony Is A Common Name In Pool Filter Parts. E. Warehouse Location:OUR PLEDGE! At POOLplaza, pool supplies is our only business. Pools. Val-Pak Grid Assembly 52 Inch Apollo, Complete 1. 5" Anthony Grid Spacer for Apollo. Created with Sketch. Compare. MPN: V34-126. Universal Filter Grids for Diatomaceous Earth filters feature a reinforced center core for added durability and chemical resistance, and sonic welded seams to prevent fraying. Pentair, American, Hayward, Jandy, or Pac-Fab Pool Filters. The thickness of the grid is . 18 in. DE Filter Grids: Poolweb. 85, bulk discount. Details: GRID ASS'Y 52-2 APOLLO, COMPLETE 2. The Jandy DEV Series of Diatomaceous Earth filters work to keep your pool clean of the smallest amounts of bacteria and microorganisms. 5in. Unicel FG-2417 Anthony Apollo/Flowmaster Swimming Pool. ft. If you need a complete solution or a replacement part to all your pool and spa needs (such as hot tub heaters and pool cleaners), we are your reliable one. In Stock. 00. E. baker hydro hrc cartridge; baker hydro hrv sand filters; baker hydro ii top mount filters; baker hydro ultramite cart filter. E. We will find it for you. 5 KW Control Box Bundle With SpaTouch3+™ Topside - 50-BP7-ST3-55-KDescription. E. Hayward W3DE6020 Pro-Grid 60 sq. 1 Partial, 18″ Long. Spas & Hot Tubs. The thickness of the grid is . You'll love 4 of these Unicel Anthony Apollo-Flowmaster Replacement Filter Grids for your swimming pool. Quote; Link to comment Share on other sites. (such as hot tub. Sort & Filter . Grid Assembly, Val-Pak, Anthony Apollo, VA-52-2, 52″, 2″Grid Assembly, Val-Pak, Anthony Apollo, VA-52-2, 52″, 2″, V34-143. I have an Apollo VA 52-2 Filter system. Celatom Diatomaceous Earth DE Pool Filter Aid–Pool & Spa Filtration-25 Lbs. I can do the work to replace it myself. Low Priced Pool Filters. Apply for the Shop Your Way Mastercard. FI-26263:. Grid Assembly Anthony Filter Apollo VA-26 26" V34-147 Contact us for lead. Add to Cart. 52 $ 200. Anthony Apollo DE Filter Complete Grid Assemblies Parts Grid Assemblies VA-26, VA-32, VA-38, VA-52 (1 1/2"), VA-52 (2") Click to zoom in Available Parts: 1 Part # 4890-100. LUKYER CCX1000V Cartridge Filter Manual Air Relief Valve，Compatible with Hayward Pro-Grid de Filters. Afterwards, shut off the pump, drain the tank, and remove the belly band. Val-Pak 52 Sq. Home / Pool Cleaning & Maintenance / Pool Filters / Page 7. ANTHONY. Grids for DE Pool Filters; Hayward Pool Fittings and Unions; Heaters; Lights; Pool - Spa Pump Motors; Pool Safety; Pumps. 00 out of 5 based on 1 customer ratinganthony apollo | grid ass'y 52-2 apollo, complete 2" | va-52; 2" Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name RequiredSpas & Hot Tubs. Skip to main content. Hello, Love this forum so far and the invaluable information it has provided, as well as the unending help from other pool owners/users. ANTHONY APOLLO | GRID ASS'Y 52-2 APOLLO, COMPLETE 2" | VA-52; 2. Repacement parts for Anthony stainless steel DE pool filters. ANTHONY APOLLO | FLAPPER VALVE DE | 27001-0011 $12. I still have the original Anthony VA-52 DE filter on my pool. Filter Grids here. com Compare ; Account. Anthony_Apollo_VA_Filters_IG. ( 2 customer reviews) Buy Anthony Va-52 Filter Grid Set (6 Large, 4 Small) for your pool filter system. No reviews yet: $723. Diotomatious Earth (DE) filter grids are used in Anthony Apollo 4000 and 5000 and Flowmaster 4000 and 5000 ; Guaranteed perfect fit and simple installation ; Exceed OEM specifications ; Quantity: 2 ; Customers who viewed this item also viewed. FG-2413 - FILTER, GRID 24X13. Recommended. Pool Covers . Quick View. 0. +1 (510) 945-1197 support@poolnspastore. We would like to show you a description here but the site won’t allow us. ANTHONY APOLLO DE FILTER; VA-38 ANTHONY APOLLO GRID ASS'Y 38" APOLLO, COMPLETE; All Categories. VA52-SET (4-FC-9740 and 6-FC. Find our Store. There are three main types of filter systems which remove dirt and debris from your pool water in different ways: Diatomaceous Earth Filter; Cartridge Filter; Sand Filter; Jandy DEV Diatomaceous Earth (DE) Filter. Quick view Details. Everyday Low Prices. E. Floating Lights. I will be ordering a complete filter, and a O-ring to seal the filter cover. Val-Pak Anthony Pool Skimmer Thread Lock Diverter Valve 6414 V38-100 $ 29. WATER TECH POOL BUSTER; FILTERS. 310 S. . I can't knowledgeably say that your Anthony filter won't take 8 lbs DE, but for Hayward filters, it's 1 lb/ 8 sq ft of filtration area. $22. Save on this and other Val-Pak Products replacement pool & spa parts from Hydropool. $48. So, check out the list and choose the one is a good fit for you. Anthony Apollo DE Filter Parts (VA-26, VA-32, VA-38, VA-52, VA-52-2") (21 parts) Technical Specifications. Shopping Cart. The schematic diagram of filter parts, Anthony pool filter parts, Anthony pools Apollo heater parts and spares (spare filter parts) are listed. Chemicals All Chemicals Pool Chemicals Spa & Hot Tub Chemicals Spa and Fountain Chemicals Pool Supplies/Parts All Pool Supplies/PartsTop Shell Assy Anthony Filter VA-52-1 12-1/4" x 21" dia V34-158. May 15, 2010; All Activity;Amazon. Anthony Apollo VA-52-1. Toggle menu. 5 in. Pool & Spa Parts . Apollo/Flowmaster Swimming Pool. The Val-Pak Products Complete Grid Assembly For 1-1/2 Inch VA-52 Anthony Filter. 1 parts. Unicel - Anthony Apollo/Flowmaster DE Filter Cartridge 24 x 17. Sort Products: Schematic Key Popularity 18 FlowMaster Compatible Filter Grid Element With Center Hub Port - 24 x 13-1/2 Inches 266 in stock Item #: APCFGR12 $32. SPA PARTS. Please select the filter to search for your part. SKU: 621331 Details: GRID. All Pool Parts; AutoFill Valve Parts; Baskets;This is a full set of grids for the Anthony Apollo VA-26 Filter. Pool Filter Grids. Our number one priority is to insure that you, the customer, receive the highest quality and safest online shopping eAfter Hours Spas, Nemco Spas, Threaded 25, Top Load (Antimicrobial) American Clamp for 18, 20, & 22 (After 1-95) - 51020900. REVIEWS Q&ALocate your brand or model of Pool Filter, then use the key to identify which part you need to purchase. FREE. July 6, 2023 Pool Filters Filters. com #FG-2417. E. Anthony Apollo D. In The Swim - Super Spa Defoamer - 1 Quart. Full Set of Grids for Anthony Apollo VA-38 Filter (VA38-SET) (24 inches tall) Val-Pak. 33. 00 $ 265. 250530 ANTHONY FLOWMASTER GRID, 17 1/2" X 24". 74. 00; Max-Flo SP2800X Pressure Test Gasket (SP2800TG). Peace of mind is knowing that your newly purchased pool equipment is. Full Set of Grids for Anthony Apollo VA-52 Filter (VA52-SET) (24 inches tall) Rated 5. Effective at capturing microscopic debris. Get rid of the apollo. 5 inches and it also has a center port hub. We are hobbling along with very old equipment as well, an old cast iron Anthony Apollo VA 52 DE filter. $121. $7. 99: $199. E. 99 Delivery. Shop online now and get FREE Shipping in Contiguous USA. The Filbur FC-9750 DE Grid is a crucial component in the filtration system of your pool or spa. Add to Cart Save for Later Email this product to a friend Valpak Item Number V34-147 Used On Anthony Apollo DE Filters. com. anthony apollo de filter. 5 inch for Anthony Apollo/Flowmaster DE Filter. SKU: V34-143 . E. aqua tools; anthony flowmaster 4000 & 5000; richardson / seablue sand. Reply. Toggle menu. Grids for DE Pool Filters. Grid Spacer, Anthony Apollo DE Filter, 1-1/2", Generic. Electric; Natural Gas; Parts; Propane; Pool Lights. Made of high quality polyester. 5 Availability: In Stock $53. 1 review. To install new DE filter grids, start with a long, thorough backwashing. Part off your pool’s main filter tank, it serves a extremely important functions — letting you know the pressing inside yours filter tank. Anthony Grid Assembly for Anthony filters. waynefl posted a topic in All Swimming Pools Types. Produced with the highest quality; Heavy-duty materials to ensure long-lasting performance and efficiency Get the best replacement filter grids in the industry with this 2-pack of grid pool filters from Unicel. Anthony Pools Anthony Apollo VA-52 DE pool filter parts. Pool Filter Parts . Add to Cart . SKU: (APCFSVA52) In stock. 1-1/2 Horsepower; 1. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Welcome to Pool Spa Outpost! 2303 RR 620 S #135-378 Lakeway TX 78734 USA (737)-210-8494; Sign in or Register; Compare ; Gift Certificates; Cart. $41. Metallic, Back Algae Stainless Steel (5020 (912) $ 52. 150085; 516112ZAngset6-4 Anthony Filter Grid Set Va-52 Models (6 Large, 4 Small) Used On Anthony Apollo Va-38 Partanthony Is A Common Name In Pool Filter Parts. Product Videos. SKU: APCFSVA52 In stock $ 295. Thru Shaft, Anthony Apollo DE Filter VA-52-2", Generic Quick Look. Anthony Backwash Valve Parts. Anthony 18 Inch O-Ring VA26/32/38. 875 inches. Sale. Pool Filters. Grid Assembly Apollo 1 1/2" Complete (#V34-144) $843. 0 out of 5 stars 2 ratings. For my pool volume (27000gal) the equivalent Hayward model seems to be a 36ft² model DE3620. Sold by Pogue Supply and ships from Amazon Fulfillment. 5 inches. 5 inch Item No. APC Anthony VA-52 DE Filter Complete Grid Set, APCFSVA52. You can find parts literature and sales offers by searching for "Anthony Apollo VA filter" . Add to Cart Use Up and Down arrow keys to navigate search results. Pool Filter Parts Pool Lights & Replacement Parts. Waterco Opal XL Filter Parts. 81. 50+ bought in past month. FILTER. 99 Shop Now Need Help?Anthony Apollo VA-52 Flowmaster Pool Filter DE Grids4 Small 6 big ,product_by: perryspoolpump it#167152175813773. Click the button below to add the ANTHONY APOLLO | LID; VA-26, 32,38 | 017690 to your wish list. Filter Parts. Used on Anthony Apollo DE Filters: VA-32 requires 1 VA-38 requires 2 VA-52, 52-2" requires 6. The unique lightweight design consists of a reinforced center tube to. Anthony Complete Generic DE Filter Grid Set; Set of 10 grids; Six 17. 12 Months Other Details. Ft. 99: $199. Rectangular DE Grid; Size - 24 Inch Length x 17-1/2 Inch Width; Type - FG-2000 Series;Filbur FC-9740 Replacement DE Filter Grid 24 x 13. This FG-2417 can be used as an Anthony Apollo/Flowmaster replacement. Diatomaceous Earth (DE) filters are extremely efficient at filtering out sediment that floats on water, but only if. Specialty Pool Products does not rent or sell its customer list. Unicel FS-3053 Complete Replacement DE Filter Grid Set Sta-Rite System 3 S8D110 When DE powder is blowing into the pool, or if you notice holes in the grids last time you cleaned them, you can replace individual grids, or the entire set of 6 large and 4 small grids. VA-26 - Includes Items 9 thru 18D. SKU: PST-14-402-1116. 7 Jan 20 Rob Cox. Complete Grid Assembly (Grids are 24 inches tall) (V34-143) Complete Grid Assembly (Grids are 24 inches tall) (V34-143) WARNING: Some products can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. Anthony Apollo DE Filters VA-52 Includes Items 9 thru 18 . We are open from Mon-Fri 6AM-2PM PST Call us at +1 (510) 945-1197Collection Elbow Anthony Apollo DE VA-26/32/35/52 1-1/2" V34-130. FG-2412 ANTHONY APOLLO D. E. Grid Length - 24" Grid Width - 17-1/2" Model - Anthony-Flowmaster; Type - Rectangular / Spin D. Apollo/Flomaster #17565;. Grid Assembly, Val-Pak, Anthony Apollo, VA-52-2, 52", 2" Categories. SKU: 621331 Details: GRID. Toggle menu. All Pool Heater Parts; Heater Elements; Heater Hardware; Indicator Lights; Knobs;Welcome to Pool Spa Outpost! 2303 RR 620 S #135-378 Lakeway TX 78734 USA (737)-210-8494; Compare ; Gift Certificates; CartVal-Pak Products Air Bleed Assembly, Anthony Apollo DE Filter, Generic - Item 14-402-1115. There are three main types of filter systems which remove dirt and debris from your pool water in different ways: Diatomaceous Earth Filter; Cartridge Filter; Sand Filter; Jandy DEV Diatomaceous Earth (DE) Filter. Full Set of Grids for Anthony Apollo VA-52 Filter (VA52-SET) (24 inches tall) Rated 5. FG-2409 ANTHONY APOLLO D. 5" plumbing is part number 4700P . Serviced my Anthony VA-52 today. For my pool volume (27000gal) the equivalent Hayward model seems to be a 36ft² model DE3620. When I had my pool opened this year, the bolt holding the tank clamp was stripped and broke off. APC Generic VA-38 DE Filter Grid Complete Set, APCFSVA38. 00. Anthony Apollo VA-38 Complete Grid Assembly (Grids are 24 inches tall) (V34-145) Val. Pool Filters. Made of high quality polyester. 20. Uncategorized. Open the air. V34-143 Anthony Apollo De Filter Grid Assy 52 Sq Ft - 2 In Complete. Toggle menu. Product information . It is 24 in. 5-in Anthony Apollo/Flowmaster 10-sq ft Pool Cartridge Filter 4-Pack in the Pool Cartridge Filters department at Lowe's. 00 Pentair Clean & Clear 150 Cartridge Filter, 1. Includes: (4) FC-9740 (6) FC-9750 Additional information Home Pool Filters. It is designed for the Anthony FlowMaster DE filters. Small Business. Replace Anthony Filter Grids By Removing The Brass Nut On The. Shop by category. Complete Grid Assembly (Grids are 24 inches tall) (V34-144) Val-Pak. 99 Full Set of Grids for Anthony Apollo VA-52 Filter, APCFSVA52. 0 HP, Square Flange Two Speed, Single Phase, 1. I'm getting very low skimmer. Full Set of Grids for Anthony Apollo VA-52 Filter (VA52-SET) (24 inches tall) Replacement Motor, Full Rated1. This ensures that all areas of your pool are consistently filtered, leaving no stagnant or dirty patches. 5 HP OptiFlo Pump w/cord (56267000) (PNCC0150OF1160)(EC-PNCC0150OE1160) $ 1,099. It is designed for the Anthony Apollo DE filters model VA52-2. FG-2412 ANTHONY APOLLO D. SKU: VA38-SET . Replacing Anthony Pools Apollo VA-52-2 DE Filter, after searching for a video on how to do this, I couldn't find one. See moreAnthony Apollo Pool Filter Parts VA-26 - VA-52 Part Selector: (Click to view larger) Parts: #0 Val-Pak - Grid Assembly 52in. Keep your DE Pool Filter running strong with replacement DE Filter Grids from In The Swim. If you still cannot find the part you are looking for give us a phone call at 1-877-372-6038. I’m considering upgrading from my old Anthony pools VA-26 DE filter. Product Category:. Anthony Apollo Filter Grid Element Center Port - 24 x 13-1/2 Inches. Grid Spacer, Anthony Apollo DE Filter, 1-1/2", Generic Warranty Information. This bundle contains two filter cartridges and four filter grids with center port hub. Unicel filters use a unique, synthetic fiber filter media specially designed for the pool and spa industry, creating exceptional dirt catching ability. Anthony Apollo VA-52-2in. Floating Lights & Fountains; Lights;. FREE SHIPPING! 1. 6 grid set for Anthony filters. The filter is likely nearly 40 years old; so along with a number of other reasons I opted to. 00 (5 new offers) DPM Swimming Pool DE Filter Replacement Grid for Pentair FNS Pool Filter Made in USA 7 Large +1 Partial | Replacement for PG-1905. 5 x 26. 00. More Buying Choices $117. The only thing i can find is a tag on the side that says its a DE filter. (V34-143) at the best online prices at eBay! Free shipping for many products!POOL FILTERS. Anthony Pools Stainless Steel DE filter parts - Anthony Apollo VA-38 DE filter parts from Poolcenter. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Filters”. Anthony Grid Assembly for Anthony filters. 5 In - Va52-1. list for easy ordering of parts for your Anthony Appollo DE Filter. Product Category:Val-Pak Grid Assembly, Anthony Apollo, VA-52-2, 52", 2" Visit the Val-Pak Store. These Unicel FS-2003 filter grids are made from heavy-duty polyester and are designed to last far longer than cheaper alternatives. Is there an owners manual for this filter anyplace (the pool/filter came with the house). 31 In Stock. Jul 15, 2012. The pressure set. The Jandy DEV Series of Diatomaceous Earth filters work to keep your pool clean of the smallest amounts of bacteria and microorganisms. I have an old Anthony Apollo VA-52 - 2". Used on Anthony Apollo DE Filters: VA-26, 32, 38 require 6 VA-52, 52-2" require 4. E. Add to Compare. 99: BUY ME. Anthony Apollo VA-52-2in. Anthony VA52-2 – V34-143 Complete Grid Assembly. com Compare ; Account. Anthony VA52-2 V34-143 Complete Grid Assembly 52 Sq Ft For Apollo Filter. Click here to sign up . 00 $ 439. Yes this is the correct o-ring for the Anthony Apollo VA-38 filter and its approximate thickness is . Filter Grid is for up-flow and down-flow D. Item No.