Filter Type: Gradient filter with ultrasonically bonded polypropylene fibres free of chemicals and binders. Naturally anti-bacterial. Fiber shedding resistant.
Dimensions (H x W x D): 454 x 365 x 45mm (18 x 14 x 1.8 inches)
Number of filters: 1
Filter frame material: Paper
Filter recycling: Plastic
HEPASilent Technology: Certified effeciency 99.97% for particles down to 0.1 micron such as dust pollen, bacteria, virus, pet dander, mold spores and other airborne particles with additional sheets of activated carbon to remove gaseous pollutants.
Recommended filter change: 6 months (4,380 hours) when used 24 hours a day