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Air Filters

Air Filters

The Supreme Air Products™ Auto-Drain Air Filter is your first line of defense against the “silent killers” of pneumatic equipment: water, oil aerosols, and pipe scale. Specifically engineered to protect high-precision tools like Vortex Tubes and Air Knives, this filter features a high-density 5-micron element that captures microscopic debris before it can clog internal orifices. The integrated mechanical auto-drain ensures that gathered moisture is purged automatically, eliminating the risk of human error and preventing liquid carryover into your production line.

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Technical Specifications

This heavy-duty filter is designed for “fit-and-forget” moisture and contaminant removal in high-flow environments.
Specification Details
Filtration Rating
5 Micron (Sintered Bronze or Polyethylene Element)
Drain Type
Float-Style Automatic Drain (Normally Open)
Bowl Material
Polycarbonate with Aluminum Safety Guard
Max Pressure
150 PSIG (10.3 BAR)
Max Temperature
125°F (52°C)
Flow Capacity
Up to 300+ CFM (Size dependent)
Port Sizes
1/4″, 3/8″, 1/2″, 3/4″ 1″ NPT

Key Features & Benefits

  • Superior 5-Micron Filtration: While standard shop filters often use 25 or 40-micron elements, our 5-micron media stops particles 5x to 8x smaller, preventing the “sandblasting” effect that ruins delicate internal seals.
  • Worry-Free Auto-Drain: The internal float mechanism triggers a purge whenever liquid levels rise, ensuring your air lines stay dry even during high-humidity summer months or heavy compressor cycling.
  • Visual Monitoring: The transparent polycarbonate bowl, protected by a rugged metal cage, allows operators to inspect the filter element’s condition and the drain’s function at a glance.
  • Low Pressure Drop: The high-surface-area element design provides maximum filtration with minimal restriction, ensuring your Air Knives maintain their full “thump” and velocity.
  • Modular Design: Easily pairs with our Oil Removal (Coalescing) Filters and Pressure Regulators to create a complete Point-of-Use air prep station.

Why 5 Microns Matter for Supreme Air Products™

Compressed air systems naturally generate “scale”—tiny flakes of rust and carbon from the inside of your pipes.

  • For Vortex Tubes: Scale can clog the small “generators” inside the tube, causing a total loss of cooling power.
  • For Air Knives: Debris can lodge in the 0.002″ shim gap, creating “dead spots” in your air curtain and ruining your drying or cleaning consistency.