1/4" & 3/8" Pressure Washer QD Colored O-Rings (1/4''&3/8''(25+25) 50 Pack （Red+Grey）,M22 Quick Connect Coupler

25pc - 1/4"" QD O-Rings Orange (3/8""ID), 25pc - 3/8"" QD O-Rings Gray (1/2""ID). Quick Disconnect O-Rings for general purpose water applications up to 212°F (100°C). Buna-N O-Rings are the most common and the simplest types of seal with an excellent sealing property and durability. Recommended for use with crude oil, gasoline, propane, petroleum oils and water. It is used in engines, gearboxes and also can be found in anything from shower heads, garden hoses, pumps up to an aircraft.. Changing your o-rings in a timely manner saves you the continual messy water leaks, loss of maximum water pressure, and unnecessary water use and costs.