- UV Replacement Bulb. Fully compatible with Danner 02940 40W system.
- Wattage: 40w - Length: 19.50" - Split Middle Base
- 100% compatible replacement UV bulb for Danner / Pondmaster bulb #12974
40 Watt Danner Compatible UV Replacement Bulb - 19.5" long- Split Base
UV Replacement bulb measures 19.5" long and has a 4-prong, with a split base on the prong end.
The bulb is a non-OEM 100% compatible replacement for the Danner 02940 40W system and is comparable to the Danner bulb # 12974.