Replacement Buna-N O-Ring Designed 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" Thick Material - Synthetic Rubber *Sold as an Individual, Type: Parts. Additional product details from marketplace: Item Dimensions LxWxH: 4 x 4 x 1 inches; Item Weight: 0.1 Pounds; Package Dimensions L x W x H: 4 x 4 x 1 inches; Package Weight: 0.1 Pounds. Part/Model Number: 2-256. Temperature Range: 1.2E+2 Degrees Celsius. Included Components: Great Product.