This product is a pack of 25 brown O-rings with an 11/16" outside diameter, 1/2" inside diameter, and 3/32" thickness. Designed specifically for 3/8" quick couplers, these O-rings are compatible with hot water pressure washers.  Made in FKM (fluorocarbon rubber) material special for chemical and heat resistance. This product is ideal for outdoor power equipment and yard maintenance tasks. The O-rings ensure a secure and leak-free connection, providing reliability and efficiency in pressure washing applications. 

Replacement for 3/8" quick coupler o-ring.