Submariner UV Sterilizer/Clarifiers Replacement Impeller for 5W

Submersible aquarium UV sterilizers for clean and clear aquarium waterBuilt-in water pump with adjustable flow rate simplifies UV installationCompact, versatile UV sterilizer fits in aquarium or in a sump --> Keep your Submariner UV Sterilizer/Clarifier working at peak performance. Replace old impeller, pre-filter sponge, or Quartz Sleeve for optimum UV performance.Features:Flow control valveAdjustable swivel spout nozzleUVC Lamp indicator--> UV Size Max FlowDimensions Max Size 5 W 132 gph9" x 3" x 2-1/2"40 gal 7 W 132 gph10" x 3" x 2-1/2"70 gal-->Please click on "More Information" for replacement instructions.