GN-6 Metricel® MCE Membrane Disc Filters

Certified 0.45 µm membrane for microbiological analysis meets or surpasses regulatory specifications

• Mixed cellulose esters is the most accepted filter media for microbiological analysis, and provides maximum recovery of organisms.
• Unique dot grid pattern gridline provides guidance for quantification of bacterial colonies without growth inhibition or enhancement.
• Suitable for microbiological analysis using the Membrane Filter (MF) Technique. Each box contains a signed certification for your permanent records.
• Variety of packaging options meets any need. Available in individually packaged S-Packs, autoclave packs, or non-sterile packs. 
• Use with Pall nutrient media for high growth levels and easy identification of contaminants.

Filter Media

Hydrophilic mixed cellulose esters

Pore Size

0.45 µm

Typical Thickness

152 µm (6 mils)

Typical Filter Weight

4 mg/cm²

Typical Water Flow Rate

> 65 mL/min/cm²at 0.7 bar (70 kPa, 10 psi)

Maximum Operating Temperature – Water

74 °C (165 °F)

Typical Moisture Pick-up

< 1% after 24 hr at 48% relative humidity at 23 °C (73 °F)

Extractables - Boiling Water

< 2%

Minimum Bubble Point - Water

1.8 bar (180 kPa, 26 psi)

Recovery

(measured vs. control) > 90% E. coli

Refractive Index

1.512

Sterilization

Provided gamma irradiated or non-sterile
Autoclavable if desired at 121 - 123 °C (250 - 253 °F) at 1.0 bar (100 kPa, 15 psi) for 15 - 20 min

New Improved packaging!

• Less Waste—smaller pack and box
• Easy Open—corner cutouts
• Easy Removal—parchment separates from membrane