Chihiros Filter Hose Pro 3m S 9/12mm Aquarium Heater the sponges in the base

the sponges in the base should always be moist

Fluval U3 Underwater Internal Filter

For Blades sized up to 39

The 'Weir' found on the left side of the 'multifunction water management system' is unique in that it offers both surface and low level water intakes enabling superior uptake of heavier suspended solids that fail to reach regular surface intakes on regular weirs

Chihiros Filter Hose Pro 3m S 9/12mm Aquarium Heater the sponges in the baseChihiros Filter Hose Pro (3M) food grade silicone filter hose The common PVC material filter hose pipes will harden when the weather is cold in winter and are difficult to install. Chihiros Filter Hose Pro will not be affected by hot or cold temperatures. Food grade silicone material, colorless and tasteless, with a service life more than 10 years. Filter Hose Pro adopts a special surface spraying process, the texture is soft and smooth, and it is not