Polar Aurora 3-Stage Aquarium External Canister Filter with 9-Watt Light 370 GPH (HW-303B)

This is a helpful feature if you want to adjust the output flow from the filter. Convenient self-priming pump that eliminates the need for manual siphoning, Single valve disconnect and priming pump ease routine maintenance. Built in 9 Watt light for controlling algae spores and promoting clear water. The three flexible media trays allow you to add other filtration media such as SunSun's activated carbons, ceramic rings or bio-balls to achieve excellent mechanical, chemical, and biological filtration.

Polar Aurora Good for up to 100 gallon fish tanks.Maximum flow rate of 370GPH from built in pump Pump Power: 35W. Package: 1x Input and Output Discreteness 1x Barrel Head and 1x Main Canister Body 1x 9W UV Light Bulb 2x 5 feet lengths of flexible tubing 1x Draining Tray Cover and 3x Draining Trays 1x Output Curvy Bar and 1x Input Curvy Bar 2x Connected Bars 2x Spray Bars and 1x Spray Bar Cover 3x Input Bars and 1x Input Cover 3x white-fine Pad Cottons pads. UV light/glass cover broken/doesn't work : if damaged, send us an email and some pictures about it, we will resend you a replacement. If not, rotate the top lid 180 degree, and try it again. Because there is only an inductive part on one side. Missing pieces: We may miss some pieces when packing, please send us an email if any part is missing. Leaking: Please check if the glass cover was broken. If not, make sure all pieces are assembled correct, adjust the o-seal ring on the top lid and put the filter lower than your tank, and make sure water can get through the green hoses smoothly. Loud noise from the motor: You may need to check the impeller on the top lid if there is anything in it, and clean it. And then try it again. Not pump water: Press the blue button on the top lid to compel the extra air out of the canister. And try it again. The flow is slow: Add enough water into the tank, and adjust the cotton and medias.