GZP 10pck Viton disc gskt petcock 4-hole

These Viton seals fit behind the face plate of all Zodiac disc-type petcocks. They solve the problems associated with various types of fuels available today, including the (lead free) Ethanol-type gasoline. Available with 4 holes for old-style petcocks and with 3 holes for the newer type petcocks. Sold in 10-packs.