Custom Filters Direct (US) fresh discounts and promo codes for July 2025

The Hidden Cause of Poor Indoor Air Quality

Mold, pet dander, and springtime allergens can circulate in your home if your air filter isn’t doing its job. Keep your family breathing easy with a high-performance air filter designed to trap pollutants and improve air quality.

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Attention Pet Owners! Breathe Easy

Struggling with pet hair, dander, or lingering odors? Our advanced filters effectively capture pet-related pollutants, ensuring you and your furry companions enjoy fresh, clean air every day.

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Easy Online Ordering, Delivered to Your Door

Skip the trip to the store and order your air filters online. We’ll deliver them right to your door, so you can breathe easier, faster. It's that simple!

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Commercial Spaces, Clean Air

For businesses and large spaces, we offer heavy-duty HVAC air filters that can handle even the toughest air quality challenges. Protect your employees and customers with air filters built for commercial environments.

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Breathe Easy All Year Round

Transform your home with air filters that do more than just clean the air—they keep your space fresh all year long. Explore our MERV-rated filters designed for homes, businesses, and everything in between!

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Custom Size Air Filters

We provide custom-sized air filters to fit any system, including non-standard vents and older HVAC models. Made with the same premium American-made materials as our standard filters, they come in various MERV ratings for optimal air quality and efficiency. Simply share your measurements, and we’ll deliver a perfect fit every time.

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Residential HVAC Air Filters

Custom Filters Direct makes it easy to enjoy cleaner air at home with high-quality residential HVAC filters. Designed to tackle pet hair, pollen, and dust, our MERV-rated filters improve air quality while enhancing your HVAC system's performance and lifespan. Regular filter changes reduce allergens and keep your home comfortable. With simple online ordering and fast delivery, maintaining fresh, clean air has never been easier.

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Commercial/Industrial HVAC Air Filters

At Custom Filters Direct, we know how important it is for businesses to maintain clean air in large commercial and industrial spaces. Our commercial and industrial HVAC air filters are built to handle the demands of bigger environments like factories, office buildings, and warehouses.

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MERV 11 Air Filters

MERV 11 air filters trap fine particles like dust, pollen, and pet dander, improving overall air quality.

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Free Shipping with orders over $25.00

No need to wait—enjoy free shipping on all orders over $25. Get your filters delivered fast, and keep your air fresh without the extra wait.

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At Custom Filters Direct, we offer a variety of standard air filter sizes and shapes to fit every HVAC system.

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