FILTER MUST BE UNDER 800 SQ INCHES. Filter sizes are available in 1/8 inch increments. Contact us through Amazon messages with your requested filter size (ie: 19-1/2 x 24-5/8) Ultra-thin - Only 3/8 inch thick. Hand-sewn wowen frame allows filter to bend and fit where metal-framed air filters won't. 5-Stage polypro filter media generates a natural electrostatic charge with no electricity needed. The 5 thin filter layers release dust easily and wash out clean. Embedded with VIBAX MI-50 anti-microbial agent to prevent mold or bacteria growth. BoAir electrostatic filters contain NO polyester, meaning they are easier to clean, and they're less restrictive than competing products. High performance - BoAir filters have undergone independent A.S.H.R.A.E. testing and boast dust arrestance in excess of 90% with initial resistance of a mere 0.10 w.g. at 1200 CFM. Easy for you to maintain - BoAir electrostatic filters are permanent, washable and re-usable. Simply rinse with clean water, let dry and re-install.
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