- UV Replacement Bulb. Fully compatible with Danner/Pondmaster 40 watt Clarifier model 02940.
- Wattage: 40w - Length: 19 1/2" - T5F Split Base
- 100% compatible replacement UV bulb for Danner/Pondmaster Bulb #12974
40 Watt Danner Compatible UV Replacement Bulb - 19.5" long- T5F Split Base
UV 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.