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National Trade Supply, LLC

Pro Seller
Suite 100 2011 Southtech Drive
Greenwood, IN 46143, US
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(866) 764-9900

Seller Reviews

4.5 out of 5
114 ratings19 reviews
What is a Pro Seller?
Pro Stores are top-performers with a proven track record of creating great shopping experiences for customers.

About the seller

Founded as a single online store in 2002, National Trade Supply has transformed into a manufacturer of water and air filters. Many of our premium filtering products are made right here in Greenwood, Indiana! We are also known as Discount Filters and we're proud to offer products that provide comfor…
Business Name: National Trade Supply, LLC
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Top picks from seller

Seller reviews

4.5 out of 5 stars
114 ratings19 reviews
How seller rating is calculated

Showing 1 - 10 of 19 reviews

Feb 10, 2026
Manwoo
Item bought
20x20x5 AIRx ALLERGY Honeywell FC100A1011 Replacement Air Filter - MERV 11, 4-Pack
1 out of 5 stars review

two filters came badly damaged. should be more careful when packing.

Nov 2, 2025
Al
Item bought
16x20x5 Air Filter MERV 11 Comparable to MPR 1000, MPR 1200 & FPR 7 Compatible with ReservePro 4350 Premium USA Made 16x20x5 Furnace Filter 2 Pack by AIRX FILTERS WICKED CLEAN AIR.
5 out of 5 stars review

Product specs met my needs for quality, delivery and price

Oct 22, 2025
carlton
Item bought
18x24x1 Air Filter MERV 13 Comparable to MPR 1500 - 2200 & FPR 9 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x24x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR.
5 out of 5 stars review

18x24x1 Air Filter MERV 13. These fit perfect, I will know where to purchase these in the future. Thank you!

Apr 2, 2025
Bradley
Item bought
AIRx Replacement Filter for 3M Filtrete Allergen Reduction F2 Filter, 2-Pack
5 out of 5 stars review

They were fine… package arrived late but it’s not like I had a filter emergency.

Sep 10, 2024
Zack
Item bought
AIRx Filters 20x20x5 MERV 13 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1011 FC200E1011 CF200A1024, Health 2-Pack, Made in the USA
1 out of 5 stars review

I ordered MERV 13 and received MERV11! Bait and switch?

Aug 7, 2024
Martha
Item bought
AIRx Filters 20x22x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 6-Pack, Made in the USA
5 out of 5 stars review

Great filters high quality , but it would have been nice if they were individually wrapped in plastic , after all they all filters and you want to keep them clean before use.

Feb 17, 2023
Sheila
5 out of 5 stars review

The time between placing the order at Walmart and the delivery was very quick.

Apr 10, 2022
max
3 out of 5 stars review

My order was lost in the mail. They should have known better than to send anything by usps. USPS have been broken for years and is totally unreliable.

Nov 18, 2020
Stogiejon
5 out of 5 stars review

great price- fast delivery - will order again - great packaging - real good customer service

Apr 3, 2020
Kathleen
1 out of 5 stars review

Dishonest advertising. These are not the filters recommended by manufacturer