Multiple self-cleaning EPDM membrane diffusers release ultra-fine bubbles that maximize oxygen transfer and circulation from the pond bottom to the surface

They can also be used to create oxygen to de-gas pond water

and allows the user to adjust brightness levels

Dimensions: 20" x 41" x 14

environmentally safe

IllumiGlow® Starter Pack for Water Feature Lighting by Blue Thumb pumps Multiple self-cleaning EPDM membrane diffusersAdd a splash of color to your pond, falls, or fountain! Pair up to 5 of our IllumiGlow Color Changing Lights to transform your nighttime fountain or pond landscape. Includes: Transformer Controller and RF remote Photocell light sensor 5 way, 4 pin splitter Power connection cords