21″ x 21″ x 4″ filter – MERV 13
This 21″ x 21″ x 4″ filter has a MERV 13 rating and is compatible with most HVAC systems.
Actual Measurements: 20 1/2″ x 20 1/2″ x 3 5/8″
Are you tired of COVID as much as everyone else and want to get rid of it? Well, we don’t know the answer but this filter name speaks for itself. The media in this filter will fight away those tiny micron particles that irritate your throat and lungs. This filter is made for ones that care for their well being and want to breathe easy.
*Disclaimer - This filter does not kill the COVID-19 virus or prevent you from getting the virus. Recommendations of MERV 13 filters came by the experts (US) and the other guys (CDC). - Ventilation in Buildings | CDC
• Traps 98% of airborne particles
• Traps all of MERV 8 & 11 particles plus bacteria and sneezes that carry viruses.
• Pleated media helps filter catch more airborne particles
• Helps HVAC system with airflow and backpressure
• Makes indoor air cleaner
• For best results replace every 30-60 days
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