Screw Mount Scupper with Elastomer Flapper

Upgrade your scupper with the new SEAW1109! Introducing the Screw Mount Scupper with Elastomer Flapper. Our SW1109 model features a unique seal design that outperforms traditional flat rubber flappers found on boats. Crafted from 316 stainless steel and marine grade elastomer, it ensures maximum durability and protection. Experience superior performance with our scupper. Dimensions Outer Diameter 3.125” Inner Diameter (Thru-Hole): 1.625” Screw Pattern Diameter: 2.31” Material Information Frame: 316 Stainless Steel (mirror-polished) Flapper: Black Marine Grade Elastomer Inner Seal: Black Marine Grade Elastomer Important Product Information: SW1109 should be installed by a qualified marine technician. Do not overtighten screws when installing as seal may deform. Only use hand-tools during installation. Sealant should be used to seal screws and to prevent screw backout SW1109 should only be installed on the transom SW1109 is sold individually. SW1109 should be paired with a self-draining deck only. SW1109 should never be relied on as perfect one-way valves as scuppers may allow water to backflow SW1109 requires(4) #6 316 stainless steel screws (sold separately)