The air filter foam is mainly used in home air conditioners, household air purifiers, car air purifiers, RV air conditioners and other purification equipment. It can isolate the dirt and dust in the air, such as small particles of dust in the air, lint, and pet hair, improving the air quality for your home.SpecificationColor: BlackMaterial: FoamSize: 16" x 6" x 0.59" (L*W*T)Packing List: 4 x Air Filter FoamAdvantage 1. Foam sponge material is used to filter odors and keep the air fresh, clean and breathable.2. The filter adopts foam design, which makes it easier to capture small particles and odors in the air and extend the service life of the air conditioner.3. Easy to clean, smooth surface, not easy to adhere to dust, just regular water cleaning can restore the filtering effect.4. You can cut it to the desired size according to your needs.InstructionEasy to use, just cut the foam filter into the size and shape you required, and install it in the air conditioner.NOTE Please confirm the size of the air filter foam before purchasing. It is better to replace the filter foam every 1-2 months to ensure its cleaning performance.