Johnson Pump 09-1052S-9 Macerator Impeller Replacement Nitrile macerator pump impeller. Johnson Pump replacement impellers provide stable pressure delivery over time and have excellent self-priming capability. Specifications For pump TA3P10 Material Nitrile Outer Diameter 1.78 Inner Diameter 0.31 FLAT Width 0.50 Johnson Pump Macerator Impeller California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Sanitation Wiser Yes Product MPN 09-1052