3D Tunze 3155 ATO Plastic Rimmed Tank Adapter Size:1" width Will adjust as water level

Will adjust as water level changes up to a 4" from the top of the Euro Brace to the water line

Designed to slip over the 40mm intake on the Abyzz A100

Available in 3 widths for different sized plastic rims (red line in the second photo)

Tentacles long and flowing turning green at the tips

3D Tunze 3155 ATO Plastic Rimmed Tank Adapter Size:1" width Will adjust as water levelThe magnet holder for the Tunze 3155 ATO bumps up against the bottom of the plastic rim in a standard tank when trying to raise the optical sensor water level high enough to prevent HOB filters from excessively splashing and making noise. This adapter hooks to the plastic rim with nylon screws. The two plastic tabs that hold the emergency shut off float switch and the optical sensor are highly adjustable up and down and will give you greater ability