Donaldson
Donaldson DTHF4185UM
The Donaldson DTHF4185UM is a 3µm dt high-performance synthetic dust collection & hvac filter element. It measures 3.85" OD x 1.61" ID x 18.75" long. Filtration efficiency is rated at β1000 ≥ 3 per ISO 16889. Seals are VITON, rated for -13°F to 250°F. Collapse pressure rating is 145 PSID.
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What are the specifications of the Donaldson DTHF4185UM?
Technical specifications for the Donaldson DTHF4185UM filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 3µm |
| Media Type | DT High-Performance Synthetic |
| Efficiency (ISO 16889) | β1000 ≥ 3 |
| Collapse Rating | 145 PSID |
| Flow Direction | OUTSIDE-IN |
| Operating Temperature | -13°F to 250°F |
| Dimensions | |
| O.D. (inches) | 3.85" |
| I.D. (inches) | 1.61" |
| O.A.L. (inches) | 18.75" |
| Seal Material | VITON |
Last verified: February 2026
Application & Compatibility
The DONALDSON DTHF4185UM is designed for use in industrial filtration applications. Rated at 3µm. VITON seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 145 PSID collapse rating indicates the maximum differential pressure this element can withstand during cold starts or bypass conditions without structural failure. Ensure your system's maximum differential pressure does not exceed this rating.
Frequently Asked Questions
What micron rating is the Donaldson DTHF4185UM?
What are the dimensions of the Donaldson DTHF4185UM?
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What is the collapse pressure rating of the Donaldson DTHF4185UM?
What is the operating temperature range for the Donaldson DTHF4185UM?
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