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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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21-1/2" x 23-1/2" x 1" fits Carrier part# KFAFK0412XXL
 
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
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    MERV 13 – 16:

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

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    "Always a Clean Filter" Reminder Program
     
    FREE enrollment for customers by request. We send you friendly electronic reminders when it is time to change, clean, or re-order filters. If you would like to enroll, let us know in the "notes" section during checkout, or just send us a message. Please include the frequency at which you would like to be notified for Change/Clean and separately for Reordering. Time Frames available are: every 2 Months, 3 Months, 6 Months, or Annually. Notifications will be sent to the email address you have on file with ebay, if you would like them sent to a different email address, just let us know in a message.