GN Metricel® MCE Membrane Disc Filters

Membrane for Air Monitoring Applications

• Dissolves completely using standard digestion procedures.
• Cleans completely, possesses low artifacts, and offers minimal interference in fiber counting.

• GN-4 Metricel filters meet NIOSH requirements for airborne metals and asbestos monitoring.

Filter Media

• Hydrophilic mixed cellulose esters

Pore Size

• 0.8 µm, 0.45 μm

Typical Thickness

• 152 μm (6 mils)

Typical Filter Weight

• 4 mg/cm²

Typical Water Flow Rate

• 0.8 µm: 129 mL/min/cm² at 0.7 bar (70 kPa, 10 psi)
• 0.45 µm: > 65 mL/min/cm² at 0.7 bar (70 kPa, 10 psi)

Typical Air Flow Rate

• 0.8 µm: 55 L/min/3.7 cm² at 0.9 bar 90 kPa, 13.5 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

• 1.0 bar (100 kPa, 15 psi)

Refractive Index

• 1.512

• 47 mm Magnetic Filter Funnels
• 25 mm Air Monitoring Cassettes
• 37 mm Air Monitoring Cassettes
• Analyslide® Petri Dish
• 25 mm In-Line Filter Holder, Delrin Plastic
• 47 mm In-Line Filter Holder, Polycarbonate
• 25 and 47 mm In-Line Filter Holders, Stainless Steel
• 47 mm In-Line Filter Holder, Aluminum
• Open-Face Filter Holders
• Stainless Steel Forceps
• Vacuum/Pressure Pumps 

Part Number	Description	Pkg	Price	Qty
GN-4 Metricel MCE Membrane Disc Filters, 0.8 µm
64677	25 mm, plain, with support pads	100/pkg	79.88
66263	25 mm, plain	100/pkg	50.01
66276	25 mm, grid, packaged in 4 cavities	100/pkg	112.53
64678	37 mm, plain, with support pads	100/pkg	115.33
64679	47 mm, plain	100/pkg	119.90
66179	47 mm, grid	100/pkg	140.94
GN-6 Metricel Membrane Disc Filters, 0.45 µm (Non-Sterile Packages)
63066	13 mm, plain	100/pkg	70.26
63068	25 mm, plain	100/pkg	73.12
64191	25 mm, grid	100/pkg	84.57
64382	37 mm, plain, with support pads	100/pkg	125.50
63069	47 mm, plain	100/pkg	109.93
63020	47 mm, grid	100/pkg	117.31
66536	142 mm, plain	25/pkg	288.01

Contact Customer Service at 800-521-1520 for possible lead-time and ship date.