ARG-1 Strainer Service KitARG Series raw water strainer service kit.Compatible with the Groco ARG 500, 750 and 755 series strainers.In the Box: (1) - 2-153 - Sight Glass O-Ring (1) - 2-135 - Cap O-Ring (1) - 2-228 - Cap O-Ring (4) - PFW-2 Set - Sight Glass Bolt Washer (1) - 2-011 - Drain Plug O-ring Before 08/01/01 (1) - 2-111 - Drain Plug O-ring After 08/01/01 *Sold as an Individual Specifications: Type: Service Kits Box Dimensions: 1"H x 4"W x 6"L WT: 0.1 lbs UPC: 742985010413 Owner&';s Manual (pdf)