Permanent Furnace Filter This unique high efficiency filtration product is a replacement for traditional fiberglass disposable filters. Consists of thousands of interconnected; spun; natural fibres that effectively trap and hold large amounts of dust and dirt particles. As air passes over the fibres; an electrostatic charge is created; thus increasing it's filtering efficiency. Washable and reusable. Can be cut to fit most popular sizes. Lasts for years (with proper care). Stops and hold more than 250% more dust particles than traditional fiberglass disposable filters.
- Washable.
- Cut to any size.
- Lasts for years.
- Holds more dust than filters.