Donaldson Industrial Replacement Air Filters
Oval Replacement Cartridge Filters for Donaldson Torit® Downflo® Oval (DFO) Dust Collectors
Our oval replacement cartridge filters provide superior filtration due to our advanced proprietary ProTura® Nanofiber filtration technology. This technology is scientifically proven to achieve: higher efficiency, cleaner air, lower pressure drop, longer filter life, and greater energy savings than any other media used in cartridge filters.
Independent lab testing has certified our ProTura Nanofiber filters at MERV 15 efficiency, which means they are up to 95% efficient on 0.3 and 1.0 micron size dust. Additional benefits from this superior filtration technology include improved dust cake release and filter life that meets or exceeds competitive oval cartridges more cost effectively.
We offer multiple media configurations to meet all your oval replacement filter needs for the Donaldson Torit® Downflo® Oval (DFO) dust collector in addition to the ProTura Nanofiber, which comes in fire retardant and wide pleat versions. Other filter media options include 100% poly-glass, spunbond polyester and spunbond polyester with PTFE that repels moisture. See the chart below for reference.
Donaldson Torit® Filter Cross-Reference Chart
| Filter Media | Unique Characteristics | Typical Applications |
| ProTura Nanofiber | Suitable for most applications. This is the standard filter that is included in all base units. Maximum Temperature: 180° F Washable: No |
|
| ProTura Nanofiber, Fire Retardant | For applications where live sparks could enter the dust collector. Will not suppress fires if collected materials are combustible. Maximum Temperature: 180° F Washable: No |
|
| ProTura Nanofiber, Wide Pleat | For applications where large or irregularly shaped particles may enter the dust collector. Maximum Temperature: 180° F Washable: No |
|
| ProTura Nanofiber, Fire Retardant, Wide Pleat | For applications where larger particles and live sparks may enter the dust collector. Maximum Temperature: 180° F Washable: No | Coarse grinding of ferrous metals |
| Poly-Glass | For applications with larger particles or with hygroscopic or agglomerative dusts. Filters can be washed and reused. Maximum Temperature: 180° F (High temperature version to 275° F is available) Washable: Yes |
|
| 100% Spunbond Polyester with PTFE membrane | For applications where high-strength media and excellent release characteristics are necessary. |
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