Nalgene® 140-4045 Sterile Analytical Filter Funnels, 0.45um, CN, case/72

Use these economical sterile disposable filter funnels to perform microbiological QC testing and analysis of water, food/beverage, raw material and finished product. The squeeze and twist funnel is easy to remove for retrieval of the CN membrane.

Features:

• High impact polystyrene collars are rugged for reliable performance
• Preassembled, sterile, individually bagged to ensure sample integrity
• Adapters accommodate No. 8 stoppers for use with 0.5 in. hole in vacuum manifolds or filter flasks
• 47mm diameter cellulose nitrate membrane is certified for water quality work
• 250mL sizes are useful when testing beverages that may foam
• Cat. No. 147-0045 features gray membrane that turns black when wet, making it easier to detect and count growing colonies

Note:

• Designed for single use only

Includes:

• Six funnel adapters with each case

Dimensions:

• Diameter: 47 mm
• Diameter Membrane: 47 mm
• Volume: 150 mL

Specifications:

• For Use With (Equipment): Filter Manifolds and Filtering Flasks
• Grid Color: White with Gray Grid
• Type: Filter Funnel
• Material (Membrane): Cellulose Nitrate
• Pore Size: 0.45 μm
• Certifications/Compliance: Membrane conforms to APHA Standard Methods, 16th ed., Section 909A, B, C. Meets EPA requirements for water quality work.

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