Feature: 1. Made of high quality acrylic material, which is stable, not prone to produce physical and chemical reactions. 2. It is harmless and safe to fish and other water life and will not release any toxic substances into water. 3. Can be hung on the glass with a thickness of 15mm/0.6in at most, equipped with 2 screws, can stabilize the whole bracket on the glass wall. 4. Convenient to move and change for easy to clean the fish tank and will not leave marks on the fish tank and cause unsightly. 5. It is durable and has a long service life, well arrangement, can make the fish tank looks more concise and beautiful. Specification: Item Type: Pump Controller HangerMaterial: AcrylicColor: As Picture ShownProduct Length: Approx. 10cm/3.9inProduct Width: Approx. 10cm/3.9inProduct Thickness: Approx. 3cm/1.2inWeight: Approx. 91.0g/3.2ozSuitable Fish Tank Thickness: Approx. Below 15mm/0.6in. Package List: 1 x Stand2 x Screws