54109 lighted switch has a 12V DC bulb that shines through a tranparent Lexan handle

The impeller is not in contact with other pump parts resulting in quiet

Seals out moisture

Operating Temperature -4°F to +140°F (-20°C to +60°C)

Thetford - Thetford Toilet Accessories , Part No 03300* Adaptor 54109 lighted switch has aECO SMART TM ENZYME FORMULA holding tank deodorant has a natural enzymatic deodorizer and a detergent additive to keep tanks clean and quickly break down andliquefy waste and tissue to prevent clogs. Also the non staining orange dye washesclean with soap and water. AQUA KEM holding tank deodorant has powerful odor control, liquefies waste and breaks down tissue fast to prevent clogging. Its powerful detergents clean tank walls and drain lines. 100%