Walker E1172RX1 Compressed Air Filter Element – 1 Micron Dust (Reverse Flow) (Grade RX1)

The Walker E1172RX1 is a genuine Walker Filtration 1 Micron Dust (Reverse Flow) replacement dust filter element for PRO XF series compressed air and gas filter housings. Deep-pleated media delivers 99.999% efficiency tested in accordance with ISO 12500-3, with a low differential pressure that keeps running cost down over the life of the element.

1 Micron Dust (Reverse Flow) — Grade RX1

Rated for 1 micron removal. Installed in reverse-flow orientation downstream of a desiccant dryer to capture desiccant fines and particulate.

Fits These Housings

Fits the same Walker Filtration housings as the coalescing grades, installed downstream of a desiccant dryer:

• Walker PRO XF 3" NPT Filter Housing - 1500 SCFM
• Walker PRO XF 3" Flanged Filter Housing - 1500 SCFM
• Walker PRO XF 4" Flanged Filter Housing - 3000 SCFM

Replacement & Maintenance

Replace every 12 months, or sooner if the differential pressure indicator signals, to maintain rated air quality and minimize energy cost. Genuine Walker Filtration element — part number E1172RX1.

Which Housings Take This Element?

The E1172RX1 is the 1 micron dust element for these Walker housings. The housing is the same across grades — only the element changes:

• XF371 — 3” — 1500 SCFM
• XF371F — 3" flanged — 1500 SCFM
• XF472F — 4" flanged — 3000 SCFM

It also fits the following Walker housings, which we supply to order — contact us for pricing:

• XFM071 — N/A — 1500 SCFM
• XFM072 — N/A — 3000 SCFM

Replace on the differential pressure indicator or every 12 months, whichever comes first.

View the Walker PRO XF Compressed Air Filter Brochure