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This store has earned the following certifications.
Our replacement air filters come in a 20x20x1 size, with actual dimensions of 19.50" x 19.50" x 0.75" to fit perfectly in your furnace, air conditioner, heat pump, or HVAC system.
Equipped with MERV 11 synthetic media, these filters provide superior protection. Comparable to MPR 1000 - 1200 and FPR 7, they trap 95% of dust particles while maintaining smooth air flow. National Air Filter replacement offers better protection against pets, allergies, and other airborne contaminants.
Crafted with electrostatically charged technology, these filters boast 14 pleats per foot. This design not only captures more harmful particles but also lasts three times longer than conventional fiberglass models. For optimal performance, replace every 90 days.
Our beverage board frames with dual wire backings ensure superior structural integrity. These filters outperform standard cardboard designs by resisting extreme temperatures, making installation quick and simple.
Industrial grade components are 100% made in the United States and built with recyclable materials for sustainability. Choose high-quality, durable, and eco-friendly filtration with National Air Filter replacement.
We accept order cancellation before Within 24 hours the product is shipped. If the order is cancelled you will get a full refund.
If for any reason you are not satisfied with the purchased item,You have 30 days after delivery of your order to return an item.
After 30 days of delivery of your order, we will no longer accept returns.
To request a return,please email us at:[email protected] ,We will respond within 24 hours after
the consumer sends the email (except weekends).
If it is a quality issue, please
provide an order number and attach clear photos of the items that represent the
issue.
After we receive the returned order, our Quality Assurance department will
inspect and verify the condition of the item.Upon acceptance of your return, a refund
will be issued to the original form of payment within 1-3 business days.
Items returned without authorization will not be accepted.
The time frame for return
must not exceed 30 days from when the original order was received.
Any promotional
gifts must also be returned with your returned item.
All items must be returned in
their original condition, without scratches or signs of wear, and must not be resized or
altered in any way.
Your return needs to be sent within the given time frame(3-12
working days)
Please make sure you provide us the tracking# and receipt after you
return.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, we will credit the credit limit to your credit card or original payment method within 5 business days (bank processing time frame).
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