Impeller HWM4000IS impellar and shaft for HWM4000 Please login for pricing SKU: HWM4000IS Categories: Spare Parts, Wave Makers Description Brand Description Impeller for HWM4000 wave maker Brand Aquasyncro Related products Please login for pricingExternal Filters, Spare PartsCleanTech O Ring ORX Please login for pricingSpare PartsImpeller IMSH2500 Please login for pricingSpare PartsCartridge CRP040RP Please login for pricingSpare PartsCartridge CRP200RP Please login for pricingSpare PartsImpeller IMSH3800 Please login for pricingSpare PartsImpeller IMSH1200