21″ x 22″ x 4″ filter – MERV 8
This 21″ x 22″ x 4″ filter has a MERV 8 rating and is compatible with most HVAC systems.
Actual measurements:20 1/2″ x 21 1/2″ x 3 5/8″
If you keep a tidy house and have no know allergies to floating particles, then this filter will fulfill your needs. The dust buster media technology will give you everything you need. Not only will this filter help purify the air you breath in, but it will also help with the airflow your HVAC system.
• Traps 90% of airborne particles
• Traps dust, dust mites, mold, lint, and pollen.
• Pleated media helps filter catch more airborne particles
• Helps keep your HVAC system clean
• Designed to put less stress on your HVAC system
• Makes indoor air cleaner
• For best results replace every 30-60 days
$28.00 — or subscribe and save 10%
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