Bulbs

The Aquatop SP-UV cartridge layer is made of strong poly-fiber and collects organic debris for easy removal. Filled with Aquatop's Activated Carbon, these replacement pads are extremely easy to use and install and help keep aquarium water crystal clear...

Designed To Eradicate And Control Free-floating Microorganisms And Disease-causing Pathogens. L X W X H: 4.5 X 0.5 X 1.

R7wuv-sq Size: 0.5" H X 5.5" W X 1" D Features: -uv Replacement Bulb. Light Type: -fluorescent Bulbs. Generic Dimensions: -4.5" H X 1" W X 0.5" D: 0.05 Lb. -5.5" H X 1" W X 0.5" D: 0.05 Lb. -6" H X 1" W X 0.5" D: 0.05 Lb. -6.8" H X 1" W X 0.5" D: 0.1 Lb.