New generation Hvac air filter. Washable. Antibacterial filter. Aluminium frame. It can be produced in any size. The latest technology for hygienic, healthy, clean air. It is used in Fan Coil Units, Grilles and all ventilation and air conditioning systems. Carrier, York, Mcquay etc. It happens to all makes and models. Filters Pathogens, Pollen, Bacteria, Dust. It takes its power from Nanofiber layers. It Filters much better than synthetic filters and is Durable. It breathes even in harsh conditions. I am attaching pictures. To get an economical price, simply contact us. Worldwide shipping is available