12 uses -
Ends 11/30/2026
10 uses -
Ends 11/30/2026
Sign up for the newsletter to save 10% on your first order.
9 uses
Ends 11/30/2026
Earn points through eligible activities, including creating an account, signing up for text messages, adding a photo to a review, shopping, and birthday rewards. Redeem 100 points for $10 off, 200 points for $25 off, or 350 points for $50 off.
Ends 11/30/2026
Approved wholesale customers receive 20% off already-discounted direct pricing, with additional tiered discounts for high-quantity orders. Available to HVAC contractors, property managers, resellers, retailers, and other eligible business and institutional buyers; approval is required.
Ends 11/30/2026
Give a friend $10 off their first order of $40 or more and earn 100 reward points for each successful referral. Reward points can be redeemed for discounts on future purchases.
Ends 11/30/2026
Save 8% on every recurring air filter subscription order. Choose Subscribe & Save on eligible product pages, schedule deliveries at your preferred frequency, and adjust, pause, skip, or cancel deliveries as needed.
Save 7% on eligible 14x14x1 Aerostar air filters, with listed prices starting at $24.97, reduced from $26.99.
Save 11% on eligible 16x20x1 Aerostar air filters, with listed prices starting at $24.97, reduced from $27.99.
Save 11% on eligible 16x25x1 Aerostar air filters, with listed prices starting at $26.97, reduced from $30.46.
Save 13% on eligible 20x25x1 Aerostar air filters, with listed prices starting at $29.97, reduced from $34.28.
Save 14% on eligible Carrier replacement filters by Aerostar, with listed prices starting at $25.97, reduced from $30.18.
Save 17% on eligible 20x30x1 Aerostar air filters, with listed prices starting at $32.97, reduced from $39.75.
Save 18% on eligible 20x20x1 Aerostar air filters, with listed prices starting at $28.97, reduced from $35.15.
Save 22% on eligible 20x25x4 commercial and residential Aerostar air filters, with listed prices starting at $45.97, reduced from $58.60.
Save 8% on eligible MERV 8 air filters. Discount codes cannot be combined with other discount codes or rewards points and are not valid on custom-size filters, subscription plans, rush fees, or data center and router filters.
Save 11% on eligible MERV 11 air filters. Discount codes cannot be combined with other discount codes or rewards points and are not valid on custom-size filters, subscription plans, rush fees, or data center and router filters.
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Share it with the community and help others save.
New visitors to the site can take advantage of a 10% discount on their first order by subscribing to the Factory Direct Filters email newsletter. The code is typically delivered shortly after signing up and can be applied at checkout. It's a straightforward way to save on an initial purchase, especially for shoppers stocking up on multiple filter packs.
Free standard shipping is available within the contiguous United States on orders that reach a qualifying spend threshold sources consistently point to a minimum of $65. Delivery is generally expected within 3 to 5 business days. Given that air filters are often purchased in multipacks or in bulk, reaching the free shipping threshold is typically easy for most orders.
Yes. Factory Direct Filters offers a "Subscribe and Save" program that lets shoppers schedule automatic deliveries at their preferred frequency. Subscribers receive a recurring discount on each order generally in the range of 5% to 8% off making it a practical option for households that change filters on a set schedule. This also removes the hassle of remembering to reorder, which is a common oversight with air filtration maintenance.
The store runs a referral program that rewards existing customers for bringing in new shoppers. When a referred friend completes a qualifying purchase, both parties can benefit: the new customer receives $10 off their order, and the referring customer earns points redeemable toward future purchases. Referrals are managed through a unique sharing link provided in the customer account area.
Factory Direct Filters operates a points-based rewards system. Customers earn points on eligible purchases, which can later be redeemed for discounts on future orders. The program is designed to benefit repeat buyers a natural fit for a product like air filters, which most people repurchase throughout the year.
The store has a history of running promotions tied to major retail events throughout the year. Sales have been observed around Black Friday, Cyber Monday, Halloween, Veterans Day, New Year's, Presidents' Day, and spring cleaning season, among others. These events have historically included sitewide discounts and, in some cases, free shipping offers stacked on top. Keeping an eye on the homepage banner and subscribing to email updates are the most reliable ways to catch these limited-time deals before they expire.
Cash back is available through certain third-party rewards platforms, with Rakuten among those that have listed the store. Shoppers who already use such platforms may be able to combine cash back earnings with any active promo codes, though specific terms depend on each platform's current policies and the retailer's conditions at the time of purchase.
In addition to standard credit and debit cards, Factory Direct Filters accepts PayPal, Google Pay, and Shop Pay, giving customers flexibility at checkout regardless of their preferred payment method.
Signing up for the Factory Direct Filters newsletter is the most direct way to receive discount codes, early access to seasonal sales, and announcements about new products. The brand is also active on social media, including Facebook and Instagram, where promotional updates are posted regularly. For shoppers who don't want to miss a limited-time offer, subscribing to PriceReduc's free newsletter alerts is another smart option price drops and verified coupon codes for stores like Factory Direct Filters are sent straight to your inbox, so there's no need to check multiple sites manually.
Up to 20% OffUp to $50 OffBest Discount
20% Off
Best Discount in $
$50 Off
Promo Codes
2
Deals
5
Free Shipping Offers
1
Total Offers
7
Factory Direct Filters is a direct-to-consumer air filtration retailer operating under the Filtration Group, a company with roots going back to 1942. The store manufactures and ships HVAC air filters directly from its own U.S. facilities, offering both residential and commercial customers a broad selection of standard and custom-sized filters, including MERV 6, 8, 11, and 13 ratings, deep pleated filters, and HEPA options. By cutting out the middleman, the brand aims to offer competitive pricing on a product most households need to replace several times a year.
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