13x21x1 Air Filters, Pleated GRAB Filters™ Replacement Furnace Filters
The importance of a good filtering system
The ASHRAE MERV system of evaluating filters
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!