Fluval Universal Venturi Valve for Power Heads and Filters
This universal venturi valve is used for BioLife 35/55 power filter and Fluval U line of underwater filter models U1, U2, U3, U4. It is also used for AquaClear power heads. Comes in polybag with header. Measures 1/2-inch length by 1-1/5-inch width by 2-1/2-inch height.