Reviews SunSun – HW – 302 Canister Filter Product Review by Kerry Blake April 18, 2020 by Kerry Blake The SunSun – HW- 302 is an external filter built for large capacity aquariums of up to 75 gallons. It has a high power mortar of 18 watts and a … Read moreSunSun – HW – 302 Canister Filter Product Review 0 FacebookTwitterPinterestEmail