AirPurete AP-CF20204 - 20 x 20 x 4 MERV 8

AirPurete is your compatible replacement for several renowned models, including:

3M Filtrete

20x20x4, MERV 8 equivalent

Aerostar / DAFCO

20x20x4, MERV 8

Please verify your unit's measurements before ordering.

The AirPurete AP-CF20204 is a MERV 8 high capacity and efficiency filter with low air flow resistance, trapping 90% of dust and airborne particles without impacting air flow.

• Traps 90% of dust and airborne particles
• High capacity MERV 8 media with low air flow resistance
• Maintains air flow for optimal HVAC performance

Deep 4-inch pleated media increases surface area for improved particle capture and longer filter life compared to fiberglass filters.

• Replace every 2–3 months, adjusting frequency during peak summer and winter months
• Increased pleat surface area for extended particle capture
• Economical option for regular HVAC filter replacement

A sturdy frame ensures a secure fit and a reliable seal within the furnace slot.

• Sturdy frame resists collapse and warping
• Effortless to install in standard 20x20x4 filter slots
• Built for regular furnace, air conditioner, heat pump and HVAC replacement