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White cylindrical coalescing filter element with pleated microglass media visible at both open ends

SPEEDAIRE

SPEEDAIRE 4GPH6 Coalescing Filter Element 1 micron 353 cfm

SKU CH-SJZ3-R5A8H

Removes oil and water aerosols down to 1 micron with 353 cfm flow capacity

  • Removes oil and water aerosols down to 1 micron
  • Handles 353 cfm flow for high-demand compressed air systems
  • Microglass media provides coalescing efficiency for clean air delivery
  • Meets ISO 8573 air quality standards for critical applications
  • Compatible with Grainger part numbers 35GN67, 4GNU2, 4GPA4

1-Micron Coalescing Filter Element

The SPEEDAIRE 4GPH6 is a coalescing filter element rated at 1 micron for compressed-air systems. It targets maintenance engineers and plant operators who need reliable removal of oil and water aerosols from air lines. The microglass media meets ISO 8573 standards and fits Grainger part numbers 35GN67, 4GNU2 and 4GPA4. Buyers needing a different micron rating or a particulate-only element should look elsewhere.

Sustained Flow Performance

Designed for a maximum flow of 353 cfm, the element maintains its 1-micron capture efficiency under continuous demand rather than only during short peaks. The microglass structure resists saturation so pressure drop stays predictable across a full shift. Systems that regularly exceed this flow rate will see reduced coalescing effectiveness and should size the housing accordingly.

Thermals Noise and Power Draw

As a passive filter cartridge the unit adds no electrical load, generates no heat and produces no audible noise of its own. Pressure differential across the element is the only operational indicator, rising gradually as contaminants accumulate. Replacement intervals depend on upstream air quality and total throughput rather than on a fixed calendar schedule.

Highlights

  • Removes oil and water aerosols down to 1 micron
  • Handles 353 cfm flow for high-demand compressed air systems
  • Microglass media provides coalescing efficiency for clean air delivery
  • Meets ISO 8573 air quality standards for critical applications
  • Compatible with Grainger part numbers 35GN67, 4GNU2, 4GPA4

Specifications

BrandSPEEDAIRE

Questions about this item

Does the 1 micron coalescing element add noticeable resistance or heat when the compressor runs continuously at 353 cfm?

The microglass coalescing media is rated for 353 cfm maximum flow; at that rate pressure drop stays within design limits and the element does not generate measurable heat.

Which housing or filter head must I already have to install this SPEEDAIRE 4GPH6 element?

It fits the SPEEDAIRE EF series housings and crosses to Grainger part numbers 35GN67, 4GNU2 and 4GPA4.

Will this ISO 8573 rated element work with my older compressor that still passes some oil aerosol?

Yes — the 1 micron microglass coalescing media removes oil and water aerosols to ISO 8573 standards, protecting downstream tools even if the older unit carries over oil.

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