ProLine™ Hy-Drive Skimmer Pump Replacement Rotors Acurel and reduces stress by helping

and reduces stress by helping to maintain a natural balance of electrolytes in the body fluids of fish

UltraClear® pH Higher increases the pH in aquatic systems

Color shipped depends on current supply

ATCLR10 is slightly domed with inner ridges

ProLine™ Hy-Drive Skimmer Pump Replacement Rotors Acurel and reduces stress by helpingThese replacement rotors fits ProLine Hy Drive Skimmers pumps. SKU UPC Code Compatible Pump 21105 025033211056 ProLine Hy Drive Skimmer Pump 1400 (#20350) 21010 025033210103 ProLine Hy Drive Skimmer Pump 2550 (#20355) 21110 025033211100 ProLine Hy Drive Skimmer Pump 5100 (#20360) 21025 025033210257 ProLine Hy Drive Skimmer Pump 6600 (#20365) Manufacturing impellers often includes trimming on a lathe to achieve balance and or testing to ensure quality.