GROCO ARG-3 Strainer Service Kit - ARG-3GROCO ARG 3 Strainer Service Kit ARG 3 ARG 3 Strainer Service Kit Strainer service kit fits ARG 1500, 2015, 2520, 2500, 3015, 3020, 3025, and 3000 series strainers. Includes: (1) 2 256 Sight Glass O Ring (1) 2 238 Cap O Ring (1) 2 234 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 Manufacturer : GROCO Manufacturer Part No : ARG 3