Replacement Buna-N O-RingDesigned for Groco ARG and BVS Series Raw Water Strainers.Compatible with the Groco ARG-1500 through ARG-3000 strainers.Features:Dimensions (ID x OD) – 5.75″ x 6″ x .125″ ThickMaterial – Synthetic Rubber*Sold as an Individual Specifications:Type: PartsBox Dimensions: 1″H x 4″W x 4″L WT: 0.1 lbsUPC: 742985060456