Fluorodyne® II DFL Filter Cartridges

Odoo text and image block

Materials of Construction

Filter Membrane

Hydrophilic modified PVDF



Core/End Caps



Polypropylene with TiO2 whitener1


Silicone elastomer

Sealing Technology

Thermal bonding without adhesives

1  TiO is an insoluble inorganic mineral filler that does not contribute to organic extractables

Operating Parameters 2


Maximum Temperature

80 ºC

Maximum Differential Pressure (Forward Direction)

5.3 bar (77 psi) at 50 °C
3.4 bar (49 psi) at 80 °C

Maximum Differential Pressure (Reverse Direction)

0.3 bar (4 psi)


In compatible fluids which do not soften, swell, or adversely affect the filter or its materials of construction. DFL filter media may be used at 90 ºC. Contact Pall for further details


Autoclave and In Situ Steam

30 x 60 minutes at 125°C
10 x 60 minutes at 140°C


Typical Extractables in Water at 20 °C³

 < 5 mg per 254 mm (10 in.) cartridge


Tested on elements without pre-flushing

Nominal Effective Filter Area (EFA)

 5500 cm2 (5.9 ft2) per 254 mm (10 in.) cartridge

Integrity Test Values (Air test gas, water wet)*


Max. allwable forward flow values
for 254 mm (10 in.) cartridge at 20°C

12  mL/min at 2760 mbar (40 psi)


membrane filter, membrane filters

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