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The STERLING SEAL & SUPPLY 6440 O-ring is made from Viton, a type of fluorocarbon elastomer. This black O-ring has a durometer rating of 90A, ensuring durability and resistance. It features a round cross-section that helps maintain effective sealing between circular surfaces.
This O-ring is designed to create a reliable pressure and fluid seal.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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