FX UVC In-Line Clarifier The FX UVC  quickly and easily connects to all canister filters  to eliminate suspended algae for a clean and clear aquarium.   Compatible with most competitive canisters  via two 1″ to 5/8″ (25 to 16 mm) hose adapters CCFL bulb  runs cool for longer life and lasts 2x longer  than traditional fluorescent bulbs Energy-efficient 6W bulb  eradicates cloudy and green water Compatibility FX2/FX4/FX6 Canister Filter 107/207/307/407 Canister Filter What’s Included FX UVC unit Power supply 100-240V/24V 90° rubber elbow adapter 1″ to 5/8″ (25 to 16 mm) hose adapters 4-27mm diameter metal hose clamps Universal cabinet wall mounting bracket and screws