Fluval U1 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 : For Fluval U1 Underwater Filter 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 Suitable for freshwater, marine or reptile environments Fluval U Series Filter BFA Item # U1 Foam Pad - 1 pack HA10485 A485
