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.<p><b>Specifications:</b><br>Color: blue<br>Material: high quality double sided sponge<br>Dimension: approx.15.4 inch total length<br>Brush head: approx.3x3x1.4 inch<br>Package included: 1x durable algae scraper</p><p><b>Please Note:</b><br>Please rinse the brush pad with tap water before and after each use, keep the brush head clean and dry before store.</p><br>Please feel free to contact us if you have any questions.Thank you!<br>