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Home / Products / Parts & Supplies / Air and Gas Filters / Ultradepth™ FF, MF & SMF Filter Elements

Ultradepth™ FF, MF & SMF Filter Elements

Donaldson

Donaldson® Ultradepth™ FF, MF, and SMF filter elements utilize a three-dimensional Ultrair™ microfiber fleece media, which is made out of glass fibers. An integrated 1 µm prefilter media provides two-stage filtration. In addition, this media will capture and retain liquid aerosols and solid particles down 0.01 µm through direct impaction, sieving and diffusion.
 
Features and Benefits:

  • Expanded inner and outer stainless steel support sleeves for the retention of the filter medium: No danger of corrosion – large openings ensure low differential pressure drop and high throughout
  • Borosilicate glass fiber depth filter media: Low differential pressure drop at high flow rate
  • Removal of liquid aerosols and solids particles down to 0.01 µm: Validated retention efficiency
  • Large surface area, large void volume (>94%): High dirt holding capacity; long service lifetime

Specifications:

  • Validation: Validation of high-efficiency filters by Technical University Dresden
  • Residual oil content at an inlet concentration of 3 mg/m3: FF = 0.1 mg/m3, MF = 0.03 mg/m3, SMF = <0.01 mg/m3
  • Retention rate related to particles of 0.01 µm: FF = 99.999%, MF = 99.99998%, SMF = 99.99999%
  • Maximum Differential Pressure: 72.5 psi at 68°F regardless of system pressure
  • Initial Differential Pressure at Nominal Flow: FF = 0.73 psi, MF = 1.20 psi, SMF = 1.70 psi