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Matt Murphy

Senior Applications Specialist - 15 years at Compressor World

Our experts are highly rated and specialize in a variety of compressed air applications; industrial, food & beverage, medical, lab, and remediation.

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  • 6 to 1500 SCFM capacities available
  • Connection sizes from 1/8” to 3” NPT
  • Differential pressure indicators:
    • Pop-up indicators on 6 to 50 SCFM
    • Gauge indicators on 75 to 1500 SCFM
  • Automatic drain
  • 4 element grades available:
    • X5: 5 micron
    • X1: 1 micron
    • XA: 0.01 micron
    • AC: 0.01 micron activated carbon
  • ISO 12500-1: 2007


The Walker Filtration Alpha Series coalescing filter features newly designed housing and high-performance elements, making it highly energy-efficient. With flow optimization as the primary focus, the Alpha Series features an advanced filter head design that, when paired with the filter element, significantly enhances the air flow, increases energy efficiency, and improves the overall performance of your compressed air system.

The Alpha elements come in four filtration grades (X5 – 5 micron, X1 – 1 micron, XA – 0.01 micron, and AC – Activated Carbon) and deliver substantial energy savings. The XA and X1 grades ensure excellent performance by achieving a saturated differential pressure of <1.8 PSI, providing lower lifetime costs and the highest air quality. The Alpha Series undergoes rigorous testing and validation to ISO 12500-1: 2007, guaranteeing top-notch air quality.