FactoryDirectFilters Promo Codes for August 2026

Basic MERV 8 pleated air filters are available from under $10 per filter. This applies to common sizes.

First responders are offered a 10% discount on their purchases. Verification applies to this offer.

Active and veteran military members are eligible for a 10% discount. Proof of service is required.

Verified healthcare workers receive a 10% discount on all purchases. Verification is required at checkout.

New customers can get 10% off their initial purchase. This discount applies to all filter types.

Select MERV 11 pleated air filters are available starting at $12.99. Pricing varies by size and quantity.

Subscribe to filter deliveries and receive up to 15% off each recurring order. Discount is applied automatically.

High-efficiency MERV 13 pleated air filters start at $15.50. Exact prices vary by dimensions.

Get 10% off during the seasonal HVAC maintenance sale. Applies to various residential air filter types.

Purchase multiple 20x25x1 air filters and receive volume-based savings. Discounts increase with quantity.

Reduce odors with 10% off carbon air filters. This applies to various sizes and MERV ratings.

Participate in the Fall seasonal HVAC filter sale and get 10% off selected filter products. Offer lasts for a limited time.

Property managers and businesses can save 15% on large orders of commercial HVAC filters. Volume pricing is tiered.

Common size 16x20x1 air filters are available for less than $15 each. Pricing depends on MERV rating and quantity.

New customers ordering custom size air filters can get 5% off their initial custom filter purchase. This discount is for new accounts.

Educators can receive 10% off their filter orders. This discount is applied after verification.

Orders totaling $50 or more qualify for complimentary standard shipping. No minimum filter count is required.

Save on whole house air filters when purchasing in larger quantities. Tiered pricing applies to bulk orders.