All-Filters electrostatic air filters clean the air by using static electricity (a naturally occurring phenomenon). An electrostatic charge is generated by air flowing through static prone fibers. Airborne particles are attracted and held by the static charge until released by washing. Includes a Limited Lifetime warranty. Filters are 3/8" undersized.

• Electro-static polypropylene mesh Polyester media Heavy duty Extruded Aluminum frame Aluminum wire mesh screening
• Traps 95% of airborne dust and allergens
• Permanent & Washable - Just hose off and reinstall
• Made in USA
• Lifetime warranty

Electro-static polypropylene mesh Polyester media Heavy duty Extruded Aluminum frame Aluminum wire mesh screeningAll-Filters, Inc