Shop by catagory from seal index: PISTON SEALS ROD SEAL METRIC SEALS O-RING SEALS IMPERIAL SEALS Categories: DIFFERENT CATEGORY Rotary shaft Seal / Oil Seal IMPERIAL SELECTION PTFE-Polytetrafluoroethylene PNEUMANTIC-ONLY HYDRAULIC - ONLY PU-Polyurethane ONLY NBR-Nitrile rubber ONLY Strictly O-Ring WIPERS STATIC SEAL GUIDING SEAL KITS ROD SEAL PISTON SEAL DIFFERENT CATEGORY / PU-Polyurethane ONLY DIFFERENT CATEGORY Rotary shaft Seal / Oil Seal IMPERIAL SELECTION PTFE-Polytetrafluoroethylene PNEUMANTIC-ONLY HYDRAULIC - ONLY PU-Polyurethane ONLY NBR-Nitrile rubber ONLY Strictly O-Ring WIPERS STATIC SEAL GUIDING SEAL KITS ROD SEAL PISTON SEAL K21 (PU) IMPERIAL NON-Loaded (3"-18 INCH) K21 (PU) IMPERIAL NON-Loaded (3/16"-2 7/8" INCH) K33 (6mm to 90mm) K21 (PU) / DSU-BTH / US U-CUP (25-50.8mm) K84/EQUIV K59/EQUIV K50/EQUIV K49/EQUIV K33/EQUIV (90mm to 400mm) K32/EQUIV K21 (PU) / DSU-BTH / US U-CUP (100-450mm) K21 (PU) / DSU-BTH / US (50-100mm) K15/ DOUBLE -ACTING POLYURATHANE PISTON SEAL /EQUIV Non Standard Seals range available in Store. Follow US.