Feature: 1. Made of acrylic materials, stable characteristics, not easy to occur physical and chemical reactions, safe to fish, will not release any toxic substances. 2. Different from the traditional way of sticking the glue paper on the glass, it is more convenient to move and change the position. 3. Easy to clean and maintain, and it will not leave any marks on the fish tank. 4. The suction controller bracket can be adsorbed on the glass with the thickness of 15mm/0.6in, which can make the controller more concise and beautiful. 5. It can be adsorbed at any position of the tank or filter tank, which is very convenient to use. Specification: Item Type: Acrylic Controller Bracket Material: Acrylic Color: As Pictures Shown Product Size: Approx. 10x10x1.8cm/3.9x3.9x0.7inWeight: Approx. 127g/4.5ozPurpose: Support of Submersible Pump ControllerApplicable Glass Thickness: Less Than 15mm/0.6in. if the Controller is Heavy, It is Recommended That the Applicable Glass Thickness is Less Than 12mm/0.5in . Package List: 1 x Bracket