Multi-Pleat Series AB-HW-SG: High Performance Replacement Filters for Residential Air Cleaners.
Koch Filter manufactures a complete line of Koch-brand replacement filters for residential and commercial air filtration systems. Each type is offered in two efficiency ranges, MERV 8 and MERV 11, and in all popular sizes.
Multi-Pleat Series SG Replacement filters for Aprilaire Space-Gard media.
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