18 Watt Aquarium SMART UV Lite Sterilizer with 1.5" union inlet/outlets, a 2" diameter body, and a single 18 watt uv lamp and quartz sleeve. The 18 watt SMART UV Lite offers a suggested flow rate of 219 GPH and a maximum flow rate of 356 GPH for aquariums of up to 60 US Gallons, and for targeting waterborne Algae and harmful Bacteria. Great for Fresh and Salt Water Aquariums.

Mounting Clamps are sold separately.

NOTE: All UV Sterilizer gaskets and o-rings must be replaced annually to ensure a watertight seal.