5-Pack Replacement for Hunter 37375 Air Purifier Filter - Compatible with Hunter 30930 Air Filter

Replacement Hunter 37375 Humidifier Filter; Quantity: 5 Replaces Hunter 30930 Air Filter 3 Filtration Layers for the best air purification: 1st layer removes large particles from the air; 2nd layer removes particles as small as .1 microns; 3rd layer removes odors such as tobacco smoke; cooking and musty air For best results; change air filter at least once per season or more often depending on air quality and use. Essential for Allergy Sufferers.