Nylon. 3 piece.

Nylon. 3 piece.

Molded White plastic. Flush mount. For use when discharge is above waterline. Insert prevents passage of large objects without restricting water flow. Hose size is 1-1/2". Maximum hull thickness is 1-3/4". OD flange is 2-3/4". ID is 1-1/2".

Cast bronze. Rubber check ball. Complete with key. For use when discharge is below waterline. Angle of outlet is 45°. Screw size is #8. Use spare key 124878DP.

Cast bronze. Rubber check ball. Complete with key. For use when discharge is below waterline. Angle of outlet is 45°. Screw size is #8. Use spare key 124878DP.

Thru-hull scupper with nut is used for mounting through the transom. Extra long length allows mounting on 2-1/8" thick surface, for use with 1-1/2" hose. Flange diameter 2-7/8"; white. Soft black flapper. Nut and mounting hardware included.

Positive sealing ball scupper. Seal slotted to fit over 1-1/4" motorwell hole.

254 series. Improved screen design with built-in strainer. Color: White.

254 series. Improved screen design with built-in strainer. Color: White.

Scuppers are barbed to fit 1-1/2" and 2" I.D. hose. The threaded portion accommodates hulls up to 3-1/2" thick. Mounting nut is included. White.

White acetal plastic. Molded with tapered flange. Hose barb connection.

316 stainless steel.

Boats with self-bailing cockpits. Combination of plastic and rubber washers with flap designed to act as valve for water exit out of boat. Mounted on transom slightly above water line. Rubber flapper valve opens outward to allow water out of boat when necessary but seals back to prevent water from entering.

High impact fiberglass reinforced white plastic ring with rubber flap and gasket. For boats with self bailing cockpits. Mounts on transom above water line. Fastens with #6 screws.

Injection molded nylon.

Molded White plastic with soft black flapper valve. Without thru-hull and mounting hardware. For surface mount applications. OD flange is 2-7/8".

Automatically seals and drains self bailing decks. Made of poly carbonate material. Solid polyethylene ball and PVC seal mounts on transom above water line. 18271and 18291 Designed to retrofit Model 18261.

Automatically seals and drains self bailing decks. Made of poly carbonate material. Solid polyethylene ball and PVC seal mounts on transom above water line. 18271and 18291 Designed to retrofit Model 18261.

Automatically seals and drains self bailing decks. Made of poly carbonate material. Solid polyethylene ball and PVC seal mounts on transom above water line. 18271and 18291 Designed to retrofit Model 18261.

Tough, flexible material with a molded V-groove to reduce backwash. Fasteners are concealed and corrosion proof. For 1-1/2" ID exhaust hose and transoms to 3" thick. Use 2" hole saw for installation.

The popular 3876 scupper mounted to a 3875B 1-1/2" thru-hull as a complete assembly. Made of high-impact corrosion resistant plastic with rubber flapper valve that opens outward to dump water overboard and closes to help prevent backwash from entering cockpit. Hose ID is 1-1/2". Overall length is 6-1/4". Maximum hull thickness is 2-5/8". Overall diameter is 2-7/8". Installation hole diameter is 2". White.

Injection molded acetel. Made in USA.