Designed for boats with self bailing cockpits, this scupper valve features a rubber flapper that opens to drain water out and closes to prevent water from washing back in. Inlcudes corrosion-resistant retainer ring, screws, rubber flapper valve and gasket. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.

Diameter: 2-7/8 inch. Can be mounted on transom above waterline or as thru-hull cockpit drain. Inlcudes retainer ring, screws, rubber flapper valve and gasket. Designed to be mounted over existing thru-hull fittings up to 2 inch. Efficiently drains water from self bailing cockpits.

Item Dimensions LxWxH: 4.5 x 9.25 x 3.5 inches. Brand: Attwood. Material: Other. Date First Available: June 8, 2005. Best Sellers Rank: #50,633 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 227 ratings 4.5 out of 5 stars. : B002FVQ0WY. Manufacturer Part Number: ?3876-3. Is Discontinued By Manufacturer: ?No. Item model number: ?3876-3. Product Dimensions: ?4.5 x 9.25 x 3.5 inches. Item Weight: ?2.11 ounces. Model: ?Attwood Boating Plumbing Fittings. Brand: ?Attwood. Manufacturer: ?Attwood.