BOGO is back! Buy one impeller get a 2nd for 30% off! October 18, 2018 wendy Latest Projects Please Share This Tweet Share Plus one Pin It Related Posts Rotating Assemblies to replace Allis Chalmers NSR’s Two complete rotating assemblies, ABBA model ACN 0423/NSRFM with vortex impellers. All in standard construction… Fresh bums, clogging problems and single vane impellers. Can single vane impellers solve pump clogging problems for municipalities? Flushable wipes, flushable toilet cleaning… Come see us at NEWEA 2019 and win a door prize!!