【Product list】: 4 Aquarium Partition Cover Plates, 20 support pads 【PP material】: Aquarium Partition Cover Plates are made of strong and wear resistant PP material, which is suitable for long term use 【Efficient filtration function】: Aquarium Divider Panels are specially designed for aquarium tanks, effectively filtering impurities at the bottom, and is highly practical 【Design with support pads】: Bottom Filtering Boards are equipped with support pads for stable support to prevent the filtering plate from directly contacting the bottom of the aquarium tank 【Easy to install and use】: Bottom Filtering Boards are simple in design and easy to install, suitable for aquarium tanks, aquariums, homes, and other scenarios Specification: Material: PP Size Chart: Filtering plate 26x20x1.2cm/10.24x7.87x0.47inch support pads height 2.9cm/1.14inch Package Includes: 4 aquarium tank bottom filtering plates 20 support pads Note: Please allow slightly errors due to manual measurement and different monitors.