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Filter Assemblies

At Blocker & Wallace, we stock high-quality air filter assemblies built to protect your equipment and keep your system breathing. Everything we carry delivers dependable performance in demanding environments. Whether you're upgrading components or solving a specific filtration issue, we've got the gear and the know-how to keep your setup running clean.


This is where quality meets practicality—and where your next air filter assembly is probably already on the shelf. It's just one example of our extensive collection of pneumatic accessories for positive displacement blowers and pumps.

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The Crucial Role of an Air Filter Assembly

The Crucial Role of an Air Filter Assembly

An air filter assembly is your first line of defense against contaminants that can wear down internal components in PD blowers and pumps. Without proper filtration, dust, debris, and moisture can quickly compromise system performance. Over time, even small particles lead to bigger problems—reduced efficiency, increased maintenance, and shortened equipment life.

Quality filter assemblies help maintain consistent airflow and pressure, keeping your process on track. They also protect seals, bearings, and rotors from premature wear. For systems running in tough or dusty environments, a dependable air cleaner assembly is essential. It keeps your equipment cleaner, your downtime lower, and your costs in check. That’s why choosing the right filter matters.

Air Filter Assemblies That Meet Your Needs

Blocker & Wallace carries numerous air filter assemblies to fit your specific system requirements. We have options that deliver solid performance and compatibility. Our inventory includes trusted names like Gardner Denver, Stoddard, Pneuclean, and Donaldson—so you can count on reliable filtration from brands that know the job. Choose from various styles, sizes, and configurations to match your blower or vacuum pump setup. Here's a quick look at what we offer:

  • Inlet air filter assemblies
  • Inline filter assemblies
  • Air cleaner assemblies with silencers
  • Replacement filter elements for major brands
  • Heavy-duty and standard-duty options

Why Rely on Blocker & Wallace?

Blocker & Wallace has specialized in pneumatic systems for decades—so we know what works and what doesn't. Every air filter assembly we stock is vetted for quality, fit, and performance because shortcuts don't belong in critical systems. We're a Gardner Denver Factory Authorized Distributor, which means we meet strict standards in everything we sell and service. Need help finding the right filter? Our team will answer the phone—and know what they're talking about.

Air Filter Assemblies and More

There's more to a well-running system than just the blower. That's why we keep a deep inventory of pneumatic accessories that make a real difference in day-to-day performance. If you're dealing with excess noise, pressure issues, or clogged filters, we have parts that solve problems—not create new ones. Grab exactly what you need, right when you need it:

Order Your Air Filter Assembly Today

Ready to replace that worn-out filter? Get the quality, fit, and service you can count on from a team that knows your equipment. We have the air filter assemblies you need—on the shelf and ready to ship. Give us a call or order online and keep your system breathing easy.

Frequently Asked Questions About Air Filter Assemblies

Still have questions about air filter assemblies? You're not alone—there's a lot riding on choosing the right one, and the details matter. Below are a few common questions we get from customers looking to protect their PD blowers and pumps with the right filtration setup.

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What's the difference between an air filter assembly and a filter element?

An air filter assembly includes the entire housing and filter element, while the element is just the replaceable internal component. If you're starting from scratch or upgrading, you'll need the full assembly. For routine maintenance, you may only need the element.

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How often should I replace my filter assembly?

There's no one-size-fits-all answer—it depends on your operating environment. Dusty or humid conditions require more frequent checks and replacements. As a rule of thumb, inspect the filter monthly and replace it if you notice buildup or a pressure drop.

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Can I mix and match filter brands with different blower models?

Not always. Some filters have very specific fit requirements, and using the wrong one can restrict airflow or cause leaks. It's best to stick with recommended brands or call us to confirm compatibility.