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2-1/2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add ...

ARG-2003 Sight Glass Fits ARG-2000Sight glass fits the ARG-2000.

PWSA-1001 Poly Basket Fits WSA-1000 & WSB-1000Features: Poly Basket Fits WSA-1000 & WSB-1000

1-1/2" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only w...

BS-23 Stainless Steel Basket for SS-1000 & BVS-100This is a direct replacement basket for the BVS series strainer. The redesign fixes a few de...

1-1/2"" NPT x 1-1/2" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x Hose connection #316 Stainless Steel Sizes from 1/2" to...

WSA-751 Stainless Steel Basket Fits WSA-500, WSA-750, WSB-500 & WSB-750Features: Stainless Steel Basket Fits WSA-500, WSA-750, WSB-500 & W...

1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

1/2" NPT x 1/2" or 5/8" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 5" Standard F...

1" Ball Valve/Seacock & Raw Water Strainer ComboFeatures: Square hole in handle accepts standard ratchet 1-1/4" sizes and larger include one g...

3" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features: NPS...

3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: H...

1/2" NPT 90° Stainless Steel Fuel ValveFeatures: Compact design 90° flow path 1/2" NPT male and female ports Use FV-590 (Brass) for fiberglass tan...

BS-22 Stainless Steel Basket for SS-750 & BVS-750This direct replacement basket for the BVS series strainer. The redesign fixes a few design i...

Non-Metallic Strainer Cap Fits ARG-500 & ARG-750Features: Non-Metallic Strainer Cap  Fits ARG-500 & ARG-750

BS-6 Stainless Steel Basket - 3.1" x 10.1"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved han...

Non-Metallic Strainer Cap Fits ARG-1000 & ARG-1250Features: Non-Metallic Strainer Cap  Fits ARG-1000 & ARG-1250

BS-2 Stainless Steel Basket - 1.9" x 7.2"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved hand...

BP-2 Poly Basket - 1.9" x 7.2"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier ...

BS-3 Stainless Steel Basket - 2.6" x 7.3"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved hand...

3/4" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT...

3/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...

1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Ava...

1" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve...