20x20x4 HVAC, Furnace, AC and Heat Pump Filters

The PREpleat M11 SC pleated panel filter enables a significant upgrade in collection efficiency over existing MERV 8 products. A 25–30% average eff...

The PREpleat M11 HC is 2 to 3 times more efficient at capturing small particles than standard MERV 8 pleated filters. The durable design and high-c...

Proprietary media combined with AAF Flanders’ unique V-pleat design provides the highest performance pleat available on the market today. MERV 1...

Multi-Pleat BOSS Heavy Duty Premium High-Capacity, High Strength Pleated Filter Premium heavy duty construction Heavy gage expanded metal backin...

Multi-Pleat XL11 MERV 11 Upgrade from standard pleated filters MERV 11 rating Available in standard and high capacity Dual-layered filter media ...