Thermo Scientific™ Nalgene* Sterile Analytical Test Filter Funnels with CN Membrane

Low-cost disposable, sterile filter funnels for microbiological analysis testing, food/beverage, raw material, sterility testing and finished product quality. Consists of polypropylene upper housing, high-impact polystyrene collar and white cellulose nitrate (CN) membrane. Graduated upper housing separates easily from collar for easy access to the membrane. Catalog no. 977-10492 features gray membrane with white grid that turns black when wet, making it easier to detect and count growing colonies. 0.45 µm membrane filters meet APHA standard methods and have official certification for water quality work. Funnel adapter allows use with No. 8 stopper (Catalog no. 977-20176). Six funnel adapters included with each case. Membrane diameter is 47 mm. Warning: All Nalgene filterware are for research use only, not for in vitro diagnosis or parenterals.
Image(s) are representative of the product group and not necessarily the individual product.

Filter stopper with ⁵/₈ in. hole

Capacity (mL): 100
Pore Size (µm): 0.2
Color Membrane/Grid: White/none

Capacity (mL): 100
Pore Size (µm): 0.45
Color Membrane/Grid: Gray/white

Capacity (mL): 100
Pore Size (µm): 0.45
Color Membrane/Grid: White/gray

Capacity (mL): 250
Pore Size (µm): 0.2
Color Membrane/Grid: White/none

Capacity (mL): 250
Pore Size (µm): 0.45
Color Membrane/Grid: White/gray