Aprilaire introduces a convenient and effective solution for high efficiency filtration in return grille applications. The Aprilaire Filter Grille Air Cleaner adds even more applications to an already extensive air cleaner line-up. A patented filter design provides for fewer change-outs and superior equipment protection. With the lowest static pressure in the industry, and a Self-Seal® design to eliminate bypass, contractors who use Aprilaire filters will reduce profit-robbing warranty call-backs due to loaded or leaky… Read More