Research Products Filters has continued to evolve to this day from our humble beginnings in 1938. We provide expert filtration solutions where we live, work, learn, and play including pre-filters (metal mesh, pleated, disposable, ring panels), final filters (bag, rigid cell, mini-pleat, v-cell), and specialty filters (grease, washable). As an established industry leader in commercial Indoor Air Quality, we deliver the service levels required by world-class manufacturers.