Our aquarium algae brush made of high quality sponge which could remove the alge more quickly and effectively.Suitable for glass fish tank.Our product is not sutiable for plastic fish tank and Acrylic fish tank.Specifications:Color: blueMaterial: high quality double sided spongeDimension: approx.15.4 inch total lengthBrush head: approx.3x3x1.4 inchPackage included: 1x durable…