Features: 1. The water flows evenly disperse, prevent aquarium organisms, water plants and gravel entering the overflow chamber. 2. Easy to install: The base of the comb can be fixed in the overflow tank or overflow position with glass glue during installation. 3. Removable design: After fixing, the overflow comb can be put on the base, also can be taken out or replaced at any time. 4. Made of high quality acrylic materials, high temperature resistant, not easily broken like glass material, wear resistant and stable. 5. The high transparency acrylic material is easy to clean, non-toxic and harmless for fish and coral, more suitable for fish tank and farming equipment. Specification: Condition:100% Brand New Material: Acrylic Color: As Pictures Shown Length: approx.32cm/12.6in Package list: 1 * Weir Comb