Millipak Disposable Filter Units

Description

Millipak disposable filter units are stacked disc filters designed for the removal of particles and microorganisms from liquids and gases. The stacked disc design allows minimal hold-up volume and particle shedding, making Millipak units ideally suited for high value-added applications. All Millipak units are made with Durapore PVDF membranes, providing high flow rates and throughputs, low extractables, broad chemical compatibility and the lowest protein binding of any membrane available.

Millipak units are available in 0.1 µm, 0.22 µm and 0.45 µm pore sizes and a variety of inlet and outlet connections. Five different stack sizes allow optimum flexibility for easy scale-up and system sizing. For added convenience, some Millipak units are supplied sterile. Each unit is 100% integrity tested during manufacture to guarantee integrity.

For traceability and easy identification, each Millipak unit is labelled with its catalogue number, lot number, pore size and serial number.

Typical Applications

   • Sterile filtration of parenterals, diagnostics, and buffers
   • Sterile filtration of media and biologicals
   • Point-of-use filter for high purity water

Specifications (return to top)

Materials of Construction
Housing; Support Discs	Polycarbonate
Filter	Hydrophilic PVDF
Filtration Area, cm2
Millipak 20	100
Millipak 40	200
Millipak 60	300
Millipak 100	500
Millipak 200	1000
Maximum Differential Pressure, bar (psid)
	Forward: 4.1 (60) @ 25 °C; 1.7 (25) @ 80 °C; 0.35 (5) @ 123 °C. Reverse: 0.7 (10) @ 25 °C
Maximum Inlet Pressure, bar (psig)
	5.2 (75) @ 25 °C
Bacterial Retention (for Millipak 0.1 µm and 0.22 µm only)
	Quantitative retention of 107 CFU/cm2 Brevundimonas diminuta (ATCC® 19146) per ASTM F838-83 methodology
Bacterial Endotoxins
	<0.5 EU/mL as determined by the LAL test
Gravimetric Extractables
Millipak 20	≤1.0 mg/unit
Millipak 40	≤1.5 mg/unit
Millipak 60	≤2.0 mg/unit
Millipak 100	≤2.5 mg/unit
Millipak 200	≤5.0 mg/unit
Oxidizable Substances
	Will meet the USP Oxidizable Substances Test requirements after a water flush of ≤200 mL
Toxicity
	Component materials meet the requirements of the USP Class VI Biological Test for Plastics. Millipak units also meet the requirements of the USP General (Mouse) Safety Test and USP Elution (cytotoxicity) test.
Sterilization
	3 autoclave cycles of 90 min @ 123 °C; capable of 45 kilogray (4.5 Megarad) gamma exposure; not in-line steam sterilizable
Integrity Test, Bubble Point
0.1 µm units	≥4830 mbar (70 psig) air with water
0.22 µm units	≥3450 mbar (50 psig) air with water
0.45 µm units	≥1790 mbar (26 psig) air with water

Typical Clean Water Flow Rate vs Pressure Drop

Millipak 100/200 Capsule Filter with 0.45 µm Durapore Membrane (MPHL)

Millipak 100/200 Capsule Filter with 0.22 µm Durapore Membrane (MPGL)

Millipak 100/200 Capsule Filter with 0.1 µm Durapore Membrane (MPVL)

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