www.petco.com/.../Sealand-
Replacement-
Bulb-for-Green-Killing-...
PetcoWater flows in direct contact with UV lamp, making it extremely efficient. The zigzag flow are designed for maximum sterilizing time. Totally self-contained replacement bulb assembly for AA 9Watt UV Sterilizer Kit. .... 2.8" L x 2.5" W x 16.5" H
https://www.norlandprod.com/
lightsourc.html
The Norland collection of long-wave, ultraviolet light sources have been carefully ...LED UV Curing System emits a consistent and repeatable 2.5 W/cm squared ... lack of liquid light guides and replacement lamps brings to the forefront of UV ...