Aquatop Power Filter with UV; PF40-UV With 7 Watt UV Sterilization Timers Opti Calcium: The optimal calcium/phosphorus

Opti Calcium: The optimal calcium/phosphorus ratio for healthy bones

large and extra-large sizes

Center swivel rotates to minimize tangling

Nutrience high-protein kibble is specifically formulated for small breed dogs

Aquatop Power Filter with UV; PF40-UV With 7 Watt UV Sterilization Timers Opti Calcium: The optimal calcium/phosphorusThe industry's first hang on filter with integrated U. V. Sterilization, self adjusting surface skimmer and replaceable filtration media, the AQUATOP PFUV 40 Power Filter is capable of filtering up to 128 gallons per hour with an adjustable flow rate. Suitable for freshwater and saltwater aquariums up to 40 gallons, this convenient "Hang On Back" style filter has a built in, self adjusting surface skimmer for cleaning the surface of the water and to