National Filters

National Filters Compressed Air Treatment Specialists - inline air filters, alternative replacement elements, air dryers, breathable air

15/05/2026
16/04/2026

Hybrid Dryer COM DRY

Tailor-made hybrid dryers are an excellent solution for optimising applications that require the elimination of condensation and frost. They are particularly useful when process piping is exposed to colder temperatures. For those seeking an effective solution, the COM DRY Air Dryer is an ideal choice.

Additionally, for applications that require a pressure dew point between +3 °C and – 40 °C, the COM-DRY hybrid dryer offers a comprehensive solution. This flexibility makes it ideal for multiple applications.

For more information get in touch with your National Filters Representative. [email protected]

Heat is the enemy of pure air. 🌡️Did you know that Activated Carbon filters lose almost all their effectiveness if the a...
07/04/2026

Heat is the enemy of pure air. 🌡️
Did you know that Activated Carbon filters lose almost all their effectiveness if the air is too hot?
If your aftercooler is failing and the air hitting your activated carbon filters is above 45°C, that "Class 0" air you're paying for is likely contaminated with oil vapour.
The Fix:
Ensure your dryer and aftercooler are serviced before summer hits. Keep that air cool, and your filtration will do its job.

Is your compressed air "Audit-Ready," or are you just crossing your fingers? In high-stakes industries like food product...
30/03/2026

Is your compressed air "Audit-Ready," or are you just crossing your fingers?
In high-stakes industries like food production and pharmaceuticals, an ISO audit can be stressful. Most non-conformances in compressed air don't come from the compressor itself—they come from unverified downstream air quality.
To maintain ISO 8573-1:2010 Class 0 status, you need more than just good equipment; you need a paper trail.
At National Filters, we don’t just sell filters; we provide the technical peace of mind that keeps your facility compliant and your production running.

Is your dirty filter "stealing" from your electricity bill? Every 1 psi of pressure drop caused by a clogged filter can ...
27/03/2026

Is your dirty filter "stealing" from your electricity bill?
Every 1 psi of pressure drop caused by a clogged filter can increase your compressor's energy consumption by roughly 0.5%.
Over a year, that "old" filter element could cost you thousands in wasted power, far more than the cost of a high quality National Filters replacement element.
The Fix:
Change your elements when the differential pressure hits 350mbar or 5psi or every 12 months. It’s the cheapest "energy efficiency" upgrade you’ll ever make.
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27/03/2026

Most standard filters stop liquid oil (aerosols), but oil vapour passes right through them. If you’re in food, pharma, or electronics, vapour is your number one enemy.

The Fix:
An Activated Carbon Tower or inline cartridge is non-negotiable for Class 0 air. It uses adsorption to "trap" vapours that coalescing filters miss.

Quick Tip:
If your air smells "mechanical," your carbon is likely saturated. Don't wait for the smell, stick to a 6-12 month replacement cycle.

Address

Unit 7/22 Bridge Street
Eltham, VIC
3095

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+611300379247

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