E0121B1R05 vs SF270MG
Source: sfi_cross_reference_2025 cross-referenceSourced
Manufacturer
Western
Swift Filters
Outer Diameter (in)
3.7
3.7
Length (in)
4
4
Micron Rating
5
5
Media Type
Glass Fiber
Glass Fiber
Seal Material
Buna-N/Nitrile
Buna-N/Nitrile
Collapse (PSID)
290
—
Beta Ratio
1000
1000
Values matchValues differ—Data not available
About This Comparison
This page compares Western E0121B1R05 and Swift Filters SF270MG using verified manufacturer specifications from the VerifiedFilters database. A cross-reference record exists between these parts, sourced from sfi_cross_reference_2025. Specifications shown are traced to manufacturer documentation. Always verify dimensional and performance compatibility before substituting filters in critical applications.