Description: Fluval U2 Foam Pad captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. It is custom-made to fit perfectly inside the filter chamber to prevent debris bypass. The foam pad has a pore size that allows efficient water flow, less clogging and long-lasting filtration. Suitable for freshwater, marine or reptile environments. KEY FEATURES Captures large particles and debris for effective mechanical filtration Custom-made to fit perfectly inside the filter chamber to prevent debris bypass Has a pore size that allows efficient water flow, less clogging and long-lasting filtration TECH SPECS Item # : A486 UPC : 015561104869 For Fluval U2 Underwater Filter Suitable for freshwater, marine or reptile environments What's INCLUDED 2 x foam pads