Material: fluorocarbon (FKM) Compatible with Viton Rubber, 75 duro. Quantity: 40pcs (1/4" QC and M22 seal ring: 20pcs; 3/8" QC seal ring: 20pcs). 40Pcs Pressure Washer O-rings for 1/4”, M22, and 3/8 Quick Connect Fittings.
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