Worthington 16 MC-1 16″ with 14.5″ impeller June 19, 2018 wendy Latest Projects Please Share This Tweet Share Plus one Pin It Related Posts Fresh bums, clogging problems and single vane impellers. Can single vane impellers solve pump clogging problems for municipalities? Flushable wipes, flushable toilet cleaning… BOGO is back! Buy one impeller get a 2nd for 30% off! Come see us at NEWEA 2019 and win a door prize!!