Clscea Aquarium Auto Top Off System Water Filler Compensator Blue, 1pcs.

NOTE: The silicone tube should be cut at an oblique angle. Incompatible with rimmed tanks and curved fish tanks. Tanks with 3mm/0. 12in or 5mm/0. 2in thickness wall need to use the selfadhesive gasket. Remember to check whether the water in the bottle needs to be refilled in a week or two. PACKAGE INCLUDED: 1 x Refiller base 1 x Adaptor 3 x Insert (card slot1 x Selfadhesive gasket 1 x Silicone tube 1 x User Manual.