12.5x21x1 air filters
air filter
air filter
air filter

12.5x21x1 Air Filters, Replacement Pleated Air Filters for all HVAC Systems

$53.60 – $89.34

MERV Ratings Explained.

12.5x21x1 Air Filters, Replacement Pleated Air Filters for all HVAC Systems, GRAB Filters™ Brand

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 12.5x21x1 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 12.5x21x1 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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Customer Reviews

★★★★★ 5/5

Grab Filters are a lifesaver for pet owners like me! With two dogs and a cat, I've battled pet odors for ages. But ever since I started using Grab Filters, my home smells fresher. Easy to install and effective, these filters are a must-have for pet parents!

Sarah
★★★★★ 5/5

Grab Filters saved my sinuses! With allergies acting up, I gave these a shot. They work wonders! Pollen and dust? Captured! Breathing easy now, thanks to Grab Filters!

Alex

FAQ

Air filters with a high MERV rating can effectively capture a wide range of particles, including pollen, dust, pet dander, mold spores, and even bacteria and viruses. This helps improve indoor air quality, reduces allergens, and promotes a healthier living environment.

The frequency of air filter replacement depends on several factors, including the MERV rating of the filter, the level of airborne contaminants in your home, and whether you have pets. As a general rule of thumb, it’s recommended to replace standard air filters every 1-3 months, while high-efficiency filters may last up to 6-12 months.

Yes, high-quality air filters with a high MERV rating can significantly reduce indoor allergens such as pollen, dust, pet dander, and mold spores. By capturing these particles, air filters can help alleviate allergy symptoms and improve respiratory conditions like asthma.

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