Cast bronze - Back side of flange is machined to fit hull and grooved to retain bedding compound Neck is threaded to approximately 1 inch from flange Neck Length: 5-1/2" - Flange Diameter: 3" Weight: 1.2 lb

L-head thru hull. Barbed for easy marine hose fitting. UV resistant, color-stabilized plastic construction. 1-1/8".

Injection-molded nylon. Overall diameter: 2-13/16". Opening: 1-7/8". Attaches with #6 fasteners.

Polished 316 stainless steel. 3/4".

Polished 316 stainless steel. 5/8".

Thru-Hull Connection for use with hose. Plain Bronze. (Not for use below waterline) Hose size: 1-1/2", Flange: 3-1/8", Max hull thickness 2" Back-side of flange is machined to fit hull and grooved to retain bedding compound.

For use with hose Molded white plastic Narrow flange Hose Size: 1" Mounting Hole Diameter: 1-5/16" Max. Hull Thickness: 1-7/8" Weight: .125 lb

For use with hose Molded white plastic Narrow flange Hose Size: 3/4" Mounting Hole Diameter: 1" Max. Hull Thickness: 1-1/2" Weight: .0938 lb

For use with hose Molded white plastic Narrow flange Hose Size: 1/2" Mounting Hole Diameter: 13/16" Max. Hull Thickness: 1-1/4" Weight: .0625 lb

For use with hose Molded white plastic Narrow flange Hose Size: 1-1/2" Mounting Hole Diameter: 1-7/8" Max. Hull Thickness: 2-1/2" Weight: .25 lb

Forespar threaded mushroom head thru-hull.
Features a barbed tailpipe connector.
Used for hose connections.
Manufacturer number: 906028.
Size: 1-1/4".

Forespar threaded mushroom head thru-hull. Ideal for hose connections. Manufacturer number: 906010. Size: 1/2".

Gives structural stability in valve / thru-hole locations. Bottom port has straight threads to mate with thru-hulls. Top port has tapered threads to mate with ball valves. Use where in-line valves have been used as seacocks. Size: 1-1/2". Weight: 1.69 lbs.

Plastic construction. For use with a hose. Broad flange. Hose size: 1/2".

Plastic construction. For use with a hose. Broad flange. Hose size: 1-1/2".

Plastic construction. For use with a hose. Broad flange. Hose size: 1".

Plastic construction. For use with a hose. Broad flange. Hose size: 3/4".

Gives structural stability in valve / thru-hole locations. Bottom port has straight threads to mate with thru-hulls. Top port has tapered threads to mate with ball valves. Use where in-line valves have been used as seacocks. Size: 1-1/4". Weight: 1.2 lbs.

Cast bronze Flange is machined to fit hull and grooved to retain bedding compound neck is threaded to approximately 3/8" from flange Weight: 3 lbs