A  Viton O-ring designed specifically for Leybold Trivac D-Series vacuum pumps, ensuring a reliable seal. Made from high-quality Viton, this O-ring  is built to resist heat, chemicals, and oils for dependable, long-lasting performance in your equipment .

This is a  Viton O-ring made for your Leybold Trivac vacuum pump. It is designed to fit models D16BCS, D25BCS, D40BCS, and D65BCS . Made from durable Viton, this ring provides a reliable seal that resists heat and chemicals .

Leybold Trivac pump sealed and running efficiently with this Viton O-ring . The O-ring, 4.2 x 1.9 mm – Viton,  is a direct replacement part designed for a perfect fit on Trivac pump models D16BCS, D25BCS, D40BCS, and D65BCS .