M MINGLE Power Pressure Washer O-Rings for 1/4 Inch, 3/8 Inch, M22 Quick Connect by | Jul 21, 2026Manufacturer M MINGLE. Designed for 1/4’’, M22, 3/8’’ quick connect fitting. 1.O-rings designed for 1/4’’, M22, 3/8’’ quick connect fitting. 20x O-rings for 1/4’’ and M22 fitting: OD 14.0 mm, ID 9.2 mm.