Description New Original Surge Milk Filter Frame Provides maximum support yet allows full flow to reduce back pressure. Fits 2.0 stainless steel tubing with 2.0 Surge Ferrules Gasket and o-rings included. Use 2 3/4 x 23.5 milk filter socks (see below) Replacement parts and milk filters at link below Made in USA by GEA Farm Technologies Inc Westfalia Surge Spare Parts and Related Items 7750-0220-684 O-rings for 2 inch Surge Filter Frame 7750-0220-679 Pipeline Gasket for filter frame connection. Basically a Surge Gasket without the center rubber D591 2.75 x 23.5 KenAg Ultra Flow Milk Filter Socks 1000-542 Clamp for 2 inch Surge Updated July 2024