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21-1/2

21-1/2" x 23-1/2" x 1" Pro-Pleat Pleated Filters fits Carrier KFAFK0412XXL - MERV 8 (12 Pack)

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Air Filter Size: 21-1/2" x 23-1/2" x 1" fits Carrier part# KFAFK0412XXL

Filtration Manufacturing Inc. Pro-Pleat 

MERV 8

12 Pack
 
These extended surface pleated filters are a high quality filter designed to provide higher efficiency with less resistance to airflow than typical panel filters. Their design helps extend service life and reduces maintenance costs on your HVAC equipment. The media is thermally bonded, continuous hydrophobic polyolefin fibers that will not shed fibers or absorb moisture. No chemical binders are used during the manufacturing process. 
 
*Electrostatically Charged Synthetic Media
*Designed for longer service life
*Up to 30% more efficient than typical fiberglass panel filters
*High dust holding capacity
*Moisture resistant
*Does not promote microbial growth
*Protects expensive HVAC equipment from effects of dirty air
 
Made in the USA
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Pro-Pleat are rated according to ASHRAE 52.2 standards. 
 
 
Test Reports:

 

MERV applications:

 

MERV 5 – 8:

  • Most commercial applications and better residential buildings

    •

    MERV 9 – 12:

  • Superior residential buildings and better commercial buildings
    •

     

    MERV 13 – 16:

  • Hospital in-patient and general surgery; found in superior commercial buildings
    •