Air Conditioner Activated Carbon Purifier Pre Filter Fabric Sponge Pad 100x100cm Features: 1 of non-woven material material. 2 filter is specifically designed to purify air. three adsorption of every style of industrial waste gas. four great accessory in your every day life. 5 can lower the dimensions as you need. Specifications: 1: Activated Carbon Filter Fabric 2: Black 3: Non-woven Fabric 4: 1x1m 5: 3mm, 5mm, 10mm Package Included: 1x Activated Carbon Filter Fabric