America's #1 Replacement Air Filter
Purchase factory direct and save up to 40% over buying from distributors.
In addition to 500+ sizes of Pleated Filters in four different efficiencies, we offer Ring Panel & Link Filters, Pocket Filters, Vcells, Minipleats, Rigid Cells, Roll & Cut Media, Accordion & Whole House Filters, HVAC Belts, and more.
Do you need a unique size pleat? We can make most any size you need — one or one-thousand.
Our team of filter experts can help you select the right filters for your commercial or industrial application. Ask for a Life-Cycle Cost Analysis.
We are Supply Chain Experts
We make 100,000 filters every business day and keep nearly 1,000,000 air filters in stock at any point in time.
With nine strategically located factory-distribution centers, we ship many orders for next day delivery. Custom and large orders take a little longer.
We ship an average of 15,000 packages daily — everything from a single filter to 50 pallets. Order by the filter or by the truckload.
We offer full-service (including kitting), self-service, subscriptions, and multiple e-procurement options.
Air Filtration Solutions for Every Industry
Choose your industry to explore tailored solutions:
Schools & Universities
Classroom-ready MERV ratings, district-wide pricing, and multi-site delivery coordination.
Explore SolutionsHotels & Hospitality
Odor control, HVAC optimization, and multi-property fulfillment for hospitality groups.
Explore SolutionsProperty Management
Centralized billing, pallet shipments, and support for multifamily and commercial portfolios.
Explore SolutionsHealthcare & Medical Offices
High-MERV and specialty filters for clinics, medical offices, and healthcare networks.
Explore SolutionsPublic Buildings
Reliable filtration for government facilities, courthouses, libraries, and civic buildings.
Explore SolutionsManufacturing
Heavy-duty filtration for production facilities, plants, and manufacturing environments.
Explore SolutionsAgriculture
Durable filters for grain storage, livestock facilities, and agricultural operations.
Explore SolutionsIndustrial
High-performance filtration for warehouses, refineries, and large-scale industrial facilities.
Explore SolutionsBuilt for the businesses that keep America running.
No distributors.
No markups. No delays.
Filterbuy Business ships directly from our U.S. manufacturing facility to your business — giving you better pricing, faster delivery, and unmatched customization.
Wholesale Pricing & Volume Discounts
From case quantities to pallet loads — pricing designed for business budgets, not retail.
Custom Sizes for Any Application
Any size, any MERV rating, manufactured in high volume with short lead times.
Scaled to Multi-Location Buyers
5 locations or 500 — coordinated rollouts, centralized billing, and unified freight.
Industry-Leading Support
A dedicated Filtration Specialist ensures seamless ordering, onboarding, and expansion.
Made in the USA
Every filter built in our U.S. factory using high-quality materials, tested for consistent performance.
Why Businesses Trust Filterbuy
- Below-distributor wholesale pricing
- Guaranteed volume discounts
- Faster lead times from U.S. factories
- Freight savings on pallet orders
- Custom-size options at wholesale tiers
- Dedicated Filtration Specialist support
A Simple Process Built for Businesses
From first contact to ongoing support — we make it easy.
Tell Us What You Need
Submit your filter sizes, volume, or number of locations.
Receive Your Quote
Our team sends tailored pricing — generally within 1–4 hours.
Ship Direct in Bulk or Pallet
We process and ship your order on your schedule, anywhere in the U.S.
Ongoing Support & Reordering
Your dedicated Filtration Specialist ensures smooth reordering and multi-site rollout support.
Air Filters for Commercial-Grade Performance
Every filter manufactured in our U.S. facility to exacting commercial standards.
Standard Commercial Filters
Ideal for schools, offices, retail, warehouses, and restaurants. All standard and custom sizes.
Odor & Carbon Filters
Perfect for hospitality, restaurants, and healthcare where air freshness matters most.
Custom-Size Filters
Manufactured to your exact specifications — any dimension, any MERV rating, no surcharges.
Bulk & Pallet Quantities
Direct freight for high-volume buyers with LTL shipping and national rollout programs.
Vcells & Minipleats
High-efficiency V-cell and minipleat filters for demanding HVAC applications requiring superior particle capture.
Ring Panels & Links
Durable ring panel and link filters designed for high-volume commercial and industrial air handling units.
Pocket Filters
Bag-style pocket filters offering high dust-holding capacity and low pressure drop for large commercial systems.
Rigid Cells
Box-style rigid cell filters for high-MERV applications in healthcare, cleanrooms, and critical environments.
Roll & Cut Media
Bulk roll media cut to any size for large systems, industrial applications, and custom housing configurations.
Accordion Filters
Deep-pleat accordion filters designed for extended service life and whole-house or commercial HVAC systems.
Industrial Filters
Filterbuy's solutions serve industries such as manufacturing, automotive, aerospace, furniture, textiles, building materials, food, pharmaceuticals, and more.
Belts
HVAC replacement belts compatible with a wide range of commercial air handling units and blower systems.
Complex Accounts Made Simple
Whether your business has 10 sites or 1,000, our National Account Program delivers:
Centralized Pricing
Multi-Location Onboarding
Coordinated Shipments
Custom Reporting
Dedicated Support Teams
Scalable Expansion Plans
Perfect for property management, hospitality chains, school districts, and enterprise operations.
Trusted by Thousands of Commercial Buyers
Real businesses. Real results. Direct from the manufacturer.
"Filterbuy has streamlined our filter ordering across 47 school buildings. The pricing, delivery coordination, and account support are second to none."
"We manage over 200 multifamily units and Filterbuy handles everything — bulk pricing, custom sizes, and one invoice. Couldn't be easier."
"Our hotel portfolio has 18 properties. Filterbuy delivers to each location on time, every time, with the right filters at the right price."