40 Watt Danner Compatible UV Replacement Bulb - 19.5" long- T5F Split Base Splitter These black filter media pads

These black filter media pads with a coarse density allow water to pass through as they catch debris

be sure the float can freely move up and down to operate properly

This versatile biofilter / prefilter can be connected to many kinds of pumps and can be placed any distance from the pump

a component that normally has a $59

Polishes water in ponds or aquaponic systems

40 Watt Danner Compatible UV Replacement Bulb - 19.5" long- T5F Split Base Splitter These black filter media padsUV Replacement bulb measures 19. 5" long and has a T5F 4 Prong Split Base. The bulb is a non OEM 100% compatible replacement for the Danner 02940 40 watt system and is comparable to the Danner bulb # 12974.