Quick view sku: 184MMV90 FKM 90 O-ring 18 x 4mm Price for 1 pc FKM 90 Heat Resistant O-rings 18mm ID x 22mm OD x 4mm CS 90 Durometer Rubber FKM O-rings A general purpose FKM (Fluorocarbon Elastomer) compound suitable for applications requiring resistance to high temperatures and compression set... MSRP: Now: $0.900 Add to Cart Compare Compare Selected