For easy, fast, sterile filtration of 150 to 1000 ml volumes.

• Instantly ready for biological filtration, cold sterilization, or cleanup of particulated solutions or buffers
• Components separate easily for pouring
• No need to transfer sterile filtrate to another container
• Graduations on uppers and receiver
• Non-toxic, triton-free, preassembled and radiation sterilized

Nalgene 1¹/₂-turn threaded screw closure guarantees leakproof seal and eliminates pH shift in receiver bottles. Receiver bottles can be used to store filtrate. Filter cup is printed with catalog number, lot number, membrane type, pore size, and expiration date.