Diffuser Eheim 12/16 & 16/22 hose

The diffuser fits both 12/16 and 16/22 hoses, it draws fresh air from outside and this enriches aquarium water with oxygen.

Enriches the water with air / oxygen
Recommended for sparsely planted aquariums or aquariums with many fish
Positioning the diffuser at water surface level also provides excellent water surface movement
Air flow can be adjusted with a pressure adjust clamp