This durable o-ring is made of Nitrile N70, providing excellent gas barrier properties and wear resistance. It is ideal for sealing post o-rings and can save you money in the long run. With periodic replacement, you can prevent costly gas loss.

These versatile o-rings fit on ball lock and pin lock kegs, as well as liquid and carbonation caps (KL10788). Plus, they also work for garden taps, making it a smart investment to have a few spares on hand.