Breathe easier with reliable furnace filters from Home Hardware . This Honeywell electrostatic air furnace filter captures a high percentage of household air particles. A strong frame ensures optimal filter performance. This reliable furnace filter is up to 60 times more efficient than a typical 1" fiberglass filter. It's easy to install and compatible with most whole-house air quality systems. This Honeywell furnace filter will last up to 12 months.