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HVAC Filters coupon code - October 2026

With 1 code and 7 offers live in October 2026, the biggest savings come from seasonal filter clearance events and bulk multi-pack bundles reaching 60% off. Free shipping on qualifying orders adds extra value on pleated and HEPA replacement filters.Learn more

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Current

Viewed 5 times today in the USA

Join HVAC Filters Rewards for Exclusive Discounts

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20%

Discount

Current

Viewed 4 times today in the USA

Up to 20% Off 5 Inch Filters

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22%

Discount

Current

Viewed 4 times today in the USA

Up to 22% Off 4 Inch Air Filters

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40%

Discount

Current

Viewed 4 times today in the USA

Up to 40% Off Carrier Compatible Filters

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60%

Discount

Current

Viewed 0 times today in the USA

Up to 60% Off MERV 10 Filters

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30%

Discount

Current

Viewed 0 times today in the USA

Up to 30% Off MERV 11 HVAC Filters

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40%

Discount

Current

Viewed 0 times today in the USA

Up to 40% Off MERV 13 HVAC Filters

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25%

Discount

Current

Viewed 0 times today in the USA

Up to 25% Off 1 Inch HVAC Filters

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Available HVAC Filters discounts in the USA

Code

Details

Expires in

APPLIED

Join HVAC Filters Rewards for Exclusive Discounts

2026-10-22

Up to 20% Off 5 Inch Filters

2026-10-16

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