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2-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:2-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

3 Port Oil Change System with Reversing Switch - 12VFeatures:Powerful Gear pump Delivers Nearly twice the Flow as Competitive ModelsTouchPad ControlledBronze Manifold SystemSystem Sizes from 3 Valves to 6 ValvesResettable Overcurrent and Dry Run...

3 Port Oil Change System with Reversing Switch - 24VFeatures:Powerful Gear pump Delivers Nearly twice the Flow as Competitive ModelsTouchPad ControlledBronze Manifold SystemSystem Sizes from 3 Valves to 6 ValvesResettable Overcurrent and Dry Run...

3" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze

3" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel models are...

3" Full Flow Ball ValveThis GROCO flanged ball valve is designed for controlling the flow and pressure of fluids in a pipeline system.Features:1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open...

3" NPT Bronze 45 Degree Pipe to 3" Hose Features:45 degree Male NPT x Hose connectionC83600 BronzeStandard FlowUL Listed 647BNote- C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water...

3" Safety Seacock w/2-1/2" Side Port Features:Two driver ports permit handle relocation.NPT threaded side port accepts SSCV or any NPT threaded accessory.Handle has square hole that accepts standard ratchet; helps access hard-to-reach valves, or...

3/4" #316 Stainless Steel NPS to NPT Flange Adapter IBVF Flanged Adapters have been developed to address several common problems in the marine industry.  Features:  Eliminate dangerous thread miss-match when in-line valves are screwed onto thru...

3/4" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B

3/4" Ball Valve/Seacock & Raw Water Strainer ComboFeatures:Square hole in handle accepts standard ratchet1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plugThe...

3/4" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 3/4"