14x20x1 Lifetime Air Filter - Electrostatic Washable Permanent A/C

Replaces standard 14x20x1 sized disposable filters. Standard filters are generally undercut 1/4 inch. The actual size of this filter is 13-3/4 x 19-3/4 x 7/8. In the center, non-woven layer retains debris in a maze of fibers designed to maximize air flow even when soiled. Rated by independent testing laboratory at over 65% peak arrestance (particle filtering efficiency), this filter has 20 times the filtering capabilities of a disposable fiberglass filter.Highest filtering efficiency available for the majority of furnaces and air conditioners. 100 % BEST QUALITY GALVANIZED SHEET.

• Traps 95% of airborne dust and allergens
• Permanent & Washable - Just hose off and reinstall
• Replaces disposable furnace filters
• Compare to Allergy Gold filter - Lifetime warranty
• Self-charging electrostatic filter media - does not require electricity