Zanyzap 4 Foam Filter Pads for Fluval U2 Underwater Filter
4 pack of premium quality foam filter pads, made for the Fluval U2 Filter. These foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration.