Nalgene Reusable Filter Holders with Storage Bottle

These reusable filter holders are made of washable, autoclavable polysulfone and provide an environmentally friendly alternative to disposable filters.

details

• Graduated receiver to allow easy visualization of sample volume
• Two side arms allow connection to vacuum line
• Accepts 1/4 to 5/16 in. I.D. (6.4 to 8 mm) vacuum tubing
• Also accepts syringe filters
• Fully autoclavable, with or without membranes in place
• Upper chamber is designed for pressure or vacuum filtration
• Independent locking rings seal upper chamber to receiver without damaging membrane to ensure efficient filtration
• Chamber accommodates 47 or 50 mm membranes (not included) and has three ports for venting (with or without syringe filters) and aseptic addition of samples
• Ports can also be attached to a pressure source
• Upper chamber is supplied with two membrane support plates: a sterilization plate and an analytical plate

Sterilization plate (one-piece, clear)

• Provides maximum flow rate and throughput
• Suitable for cold sterilization or clarification of culture media, reagents or solvents that are compatible with holder and membrane materials
• Nominal filter area, 13.3 cm2

Analytical plate (two-piece, white)

• Provides optimal membrane support and keeps membrane flat to facilitate analytical procedures
• Suitable for analysis of particulates and biological contaminants, or any microbiological analyses using the membrane filter technique
• Nominal filter area, 11.3 cm2

Includes: Complete upper chamber, storage bottle, polypropylene cover and TPE port caps. (Membranes not included.)