Air Filter Resellers and OEMs:

Grow Your Business with a Trusted Filtration Partner You Can Count On

With reliable products, fast delivery, and expert support, Smith Filter helps you keep customers happy and boost your bottom line.

Tired of Suppliers That Hold Your Business Back?

Whether you’re reselling filters or building custom OEM filters into your equipment, your reputation depends on product quality and on-time delivery. But when your supplier misses deadlines, delivers inconsistent quality, or can’t supply the filters your customers need, your business is at risk.

You need a supplier who makes your job easier, not harder. That’s where Smith Filter comes in.

Talk to An Expert

Smith Heavy Duty Aluminum Metal Mesh Filter

A Reliable Air Filtration Partner Committed to Your Success

Choosing Smith Filter means you get more than a vendor. You get a custom OEM filter manufacturer and dedicated partner as an extension of your team. Since 1939, we’ve helped businesses like yours succeed with responsive service, reliable products, and custom-engineered solutions built to your specifications.

We work the way you work and can be available when you need us or hands-off when you don’t. No matter how you work with filters—reselling, servicing, or building them into your equipment—we’re here to support your business.

With Smith Filter as part of your team, you get:

Reliable inventory and fast turnaround

We keep our top 13 metal mesh SKUs in stock and ready to ship at all times. Everything else ships with a standard 2- 3-week lead time, including custom sizes.

With over 95% of orders delivered on time, you can count on Smith Filter to get your filters JIT where they need to be quickly. You can also request drop shipping to send filters directly to your customers, distribution partners, manufacturing & aftermarket inventory locations.

Custom solutions for unique applications

We’ll help you deliver the ideal solution for every application. Whether you need standard air filters or custom designs with advanced metal forming, we can get you what you need. Third-party labs rigorously test our filters to ensure they meet your highest performance and quality standards.

Unmatched customer service

As a family-run business with decades of experience, and now part of Rensa Filtration we back every order with knowledgeable support. Our dedicated inside sales team can send you quotes within 24 hours and help with both standard and custom filter requests.

Whether you need product recommendations, custom OEM filters, or help cross-referencing a competitor’s part, we’re here to make your job easier. You’ll always get honest advice from a team that puts your needs first, whether you’re a long-time or new partner.

Air filtration industry leadership

We don’t just sell air filters—we help shape the industry. Our team includes past presidents of the National Air Filtration Association (NAFA), many of our staff are Certified Air Filtration Specialists (CAFSs) and design engineers with years of industry experience. They can support your more complex and technical application needs.

Premium, American-made filters you can trust

Lower-cost filters often clog, dent, or crush easily and need constant replacements. Our high-performance air filters are made in the USA and built for durability, with some lasting 10 years or more. We can save you and your customers time and money in the long run.

Special pricing for distributors

We offer competitive pricing and fast turnaround for large-volume custom orders. And, if you’re a distributor, you’ll get access to profitable pricing through our Distributor’s Net Price Book. Just let us know you’re a distributor or reseller when requesting information, and we’ll make sure you get the best possible pricing.

Part of the Rensa Filtration Family

Smith Filter is part of Rensa Filtration, a family of companies advancing air filtration. Working with our sister brands allows us to offer a broader range of products, including OEM metal mesh filters. We can also provide responsive service and expert technical support—all through a single point of contact. That means fewer vendors to manage and access to high-quality, UL Classified filters built with a shared focus on quality and safety.

High-Quality, Washable Air Filters for Your Commercial and Industrial Applications

Smith Filter has been a leading provider of metal mesh air filters since 1939. Our filters are built for durability, easy maintenance, and long-term cost savings. Explore our most popular options below.

MECH 8 (MERV 8 washable metal air filter)

The MECH 8 is unlike any other washable filter on the market. With MERV 8 performance and low resistance, it’s a great option if you want extended surface filtration without sacrificing airflow. Its high dust-holding capacity means fewer changeouts and lower maintenance costs—saving you and your customers time and money. Built to withstand harsh environments, it outperforms paper pleats and other disposables in demanding conditions. This filter is ideal if want to replace disposable filters with a washable, metal mesh alternative.

View Mech 8 Air Filter

Thrift Aire Aluminum Pre-Filter

This durable rust-resistant, metal mesh pre-filter traps large particles before they reach your more sensitive filters. Its multiple layers of engineered media deliver maximum dust-holding capacity, helping extend filter life and reduce maintenance. With just 0.02″ w.g.

View Thrift Aire Metal Mesh Filter

OEM Solutions Custom-Built for Your Product

Smith Filter is a custom OEM filter manufacturer offering a full range of products built to your specifications, including metal mesh filters. Whether you build air filters into equipment, sell them as replacements, or distribute them under your brand, we can help you deliver consistent performance at scale.

As an OEM filter manufacturer, we support:

Custom-engineered designs, including advanced metal forming
Quick-turn prototypes and just-in-time delivery to align with your production schedule
Performance testing and compliance with ISO, ASHRAE, and other standards

Work with a partner who can streamline your production, reduce risk, and deliver long-term value without compromising on performance.

Why Air Filter Resellers, Distributors, and OEMs Trust Smith Filter

“My role includes finding partners to provide us with high-quality, cost-effective parts to produce our products. We’ve worked with a Rensa Filtration company and they’ve proven to be a strong supplier—from first samples for engineering and quality approval to just-in-time production. Their products are versatile, responsive, and reliable.”

OEM for one of the world’s largest manufacturers of commercial ice machines

“I sincerely feel that each company should install a high-quality filter on every piece of equipment that could benefit from it. I have recommended filters from the Rensa Filtration family to many industries I work with. These filters can save industries thousands of dollars in repairs and replacement costs—and prevent lengthy and costly downtime.”

OEM for one of the world’s largest manufacturers of electronics

Let's Talk About Growing Your Business

Discover how our reseller program, custom products, and exclusive distributor pricing can help you better serve customers and grow your business.

Whether you need a quote, a site visit, or help choosing a filter, our team is ready to assist.

REQUEST A QUOTE