20x20x1 Tri Dim PRO Merv 13 pleated 3-month one-inch air filter 24-pack case

MFG Part #:
20X20X1 Tri-Dim PRO Merv 13 Pleated 3-month Air Filter specifically designed to meet and exceed LEED building requirements. Case of 24 filters. Constructed utilizing synthetic media that is specially designed to combine high efficiency and low resistance to air flow. Removes bacteria and most virus carrying particles and keeps your indoor air environment clean from a wide variety of pollutants (mold spores, pet dander, fine dust, smoke, allergens/pollen and more). Our Tri-Pleat Green features a low resistance to air flow, especially when compared to conventional MERV 13 filters. Energy calculations show that the energy usage reduction is greater than 30%, which can help with LEED Certification and other green initiatives. Filter lasts 3 months. Made in the USA. 20x20x1 Actual filter size: 19-_ X 19-_ X _".
Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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