13x20x1 air filters
air filter
air filter
air filter
13x20x1 air filters
air filter
air filter
air filter

13x21x1 Air Filters, Pleated GRAB Filters™ Replacement Furnace Filters

$56.57 – $95.29

MERV Ratings Explained.

 

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13x21x1 Air Filters, Pleated GRAB Filters™ Replacement Furnace Filters

The importance of a good filtering system

In today’s modern homes, it is essential that heating, ventilating and air–conditioning (HVAC) systems operate to maximum efficiency to reduce energy costs and provide the very best air quality and environmental conditions possible. In addition, the list of allergens which can trigger a wide variety of health problems is increasing. Which means better protection for you and your family is becoming more and more important. Try our 13x21x1 custom air filters!
A key factor in this protection and prevention process is the quality and performance of the filters that support and maintain your HVAC system.
A blocked or inferior filter can reduce the efficiency of the system to capture dust and allergens, which will increase energy usage with its consequent higher cost.  An inferior filter may even contribute to dirt and debris building up in other parts of your system, requiring expensive cleaning of the entire system. These problems can be avoided by installing better quality air filters. This is where GRAB Filters™ comes in.

The ASHRAE MERV system of evaluating filters

ASHRAE is the American Society of Heating, Refrigerating and Air–conditioning Engineers and they have devised the standards for filtration in the HVAC industry. The industry provides a scale of filter efficiency called the ‘Minimum Efficiency Reporting Value’ (MERV) which, for household properties has a scale from 1 – 13 (1 being the lowest rating). The level of filtration you require will depend on the rating you choose. Most store brand filters are only rated MERV 1-4.

Features of all GRAB air filters

  • Made in the USA to the highest industry standards.
  • Provide superior filtration by increased pleat count over standard filters.
  • Filtration performed by moisture–resistant media with no sacrifice to air flow.
  • Prevent ingress of most allergens, mold, dust and spores.
  • Specially designed to fit most HVAC systems.
  • Range suitable from normal to the most severe filtration conditions.
  • Commercial grade two piece frame and diagonal supports are bonded to both sides. This is to ensure pleats won’t bow.
  • Entire inner surface of the antimicrobial frame coated with adhesive to encapsulate the chemical-free 100%-synthetic thermally–bonded filter material sealing allergens and particles on the outside of the filter.

 

Our 13x21x1 air filters are made when you place your order! For this reason, please allow 2-4 business days for manufacturing. In addition, when your order ships via FedEx, it will arrive in 3-5 business days. Your tracking info will be sent to the email provided to us within 4 days of when your order was placed.. Please check your spam folder if you do not see your tracking info within 4 days of your order date!  Lastly, please check your air filters upon arrival for any damages due to shipping. Let us know within 14 days of arrival to request replacement filters or a refund.

*Photos are Stock images. 

*Media color may vary.

Need help changing your filter? Click here for instructions!

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Weight N/A
Quantity

4 pack, 6 pack, 12 pack
Type

GRAB 8(MERV 8), GRAB 11(MERV 11), GRAB 13(MERV 13), GRAB ODORS 8 (MERV 8 w/Carbon)

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