Thru-Hull Scupper for Mounting Through Transom Features: Molded White Polymer Soft Black Flapper Nut and Mounting Hardware Included Specifications: Hose Size: 1-1/2″ Mounting Hole Diameter: 1-7/8″ Max. Hole Thickness: 2-1/8″ O.D. Flange: 2-7/8″

1″ Bronze Combo Scoop Thru-Hull w/Nut  Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications: Thread NPS: 1″

Stainless Steel Thru-Hull Standard Straight Barbed – 1-1/2″ Inner Diameter Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat? Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished [...]

1-1/4″ NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2″ to 5″ UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

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