TheseEXTRA WIDE FILTERS make great permanent replacements for filters made by Aprilaire, SpaceGard, Honeywell, Trion, Lennox, Goodman, Bryant/Carrier, & Purolater.
Our 4", 5" and 6" thick silver filters are only available in 94% arrestance. All dimensions are custom. Please input the exact size you need and we'll manufacture a filter to your exact specifications - 1/8" tolerance applies. Custom wide filter - $67.95