24'x24' 11.5' H.E.P.A Max Filter Pinit $140.00 Quantity discounts available QuantityPrice SKU: AF2424HM Quantity -+ Add to Cart Details 24'x24' 11 7/8 H.E.P.A Max Filter NC Filtration H.E.P.A Filtration are standard particle board framing. Each metal frame stapled to provide a rigid en... Details Back Details24'x24' 11 7/8 H.E.P.A Max Filter NC Filtration H.E.P.A Filtration are standard particle board framing. Each metal frame stapled to provide a rigid enclosure. True 2000 CFM Capacity.See MoreSee Less