Environmental protection and safety: uses virgin polyester fibers, no odor, no dyes, and refuse to add harmful substances to fish, shrimp, turtles and other aquariums. Cutting size: original size: thickness: H:3/4(2cm)W:1ft(30cm)L:9.85ft(300cm), you can cut according to the size you need.< p>Effective filtration: imitation of plant fibers, low water resistance, strong water permeability, effective filtering of uneaten food, waste, rotten plants, debris and other large fine particles floating in water .Durable quality: the fabric is strong, soft and elastic. It can be cleaned repeatedly and can be used for 6 months. Compared with other filter pads, you can save a lot of money.Multi-layer filtration: the filter wire is divided into 3 layers, basic filtration filtration fine filtration, the dense fiber network at the bottom collects fine particles and creates crystal clear water in your aquarium.Widely used: suitable for freshwater or saltwater aquariums, as a wet/dry filter, drip tray, tank drain, tank filter.