Sunsun HW-304B White Blue Pad HW-304 Canister White and Coarse Filter Pad (Тwo Рack)

8 white cotton and 2 blue coarse filter pads fits SunSun HW-304B, HW-404B, HW-704B & HW-3000 canister filters. Suggest to change the filter pads every 1 to 2 months.