Made of high quality acrylic material, safe, non-toxic, sturdy and durable. The water flows evenly and disperses, helping to prevent aquarium organisms, water plants, and gravel from entering the overflow chamber. Can be placed in the middle of different connected aquariums as a fish interceptor. High transparency, easy to clean, and harmless for fish and coral. Suitable for fish tank aquariums. Features: - Made of high quality acrylic material, safe, non-toxic, sturdy and durable - Provides even water flow distribution, helps prevent aquarium organisms, water plants, and gravel from entering the overflow chamber - Can be used as a fish interceptor in the middle of connected aquariums - High transparency, easy to clean, safe for fish and coral - Suitable for fish tank aquariums Specifications: - Item Type: Aquarium Weir Comb - Material: Acrylic - Color: Black - Size (Length x Width x Thickness): Approx. 22.7 x 5 x 4 cm / 8.9 x 2 x 1.6 in (fits 23 cm / 9.1 in grooves) - Suitable for overflow box Package Included: 1 x Aquarium Weir Comb