Fluval U4 Underwater Filter medium bird It can be used as

It can be used as a submersible pond pump or it can be installed out of the pond

Improved motor technology provides better performance & consumes 10% less electricity than predecessor

Adjustable fit to suit every need

plant & wildlife

replace every 6 months

Fluval U4 Underwater Filter medium bird It can be used asFrom the Fluval range. U series: u4 internal filter. 3 stage filtration: Foam pad removes large particles (replace every 6 months), Poly carbon cartridge traps fine debris & removes impurities (replace every month), Bio max provides optimal biological filtration efficiency (replace every 6 months). Features: Adjustable 3 way flow: Top output for maximum circulation & oxygenation, Integrated spray bar provides even, gentle flow for planted aquariums,