mf75 sterilization filter units cellulose nitrate membrane, nalgene
for easy, fast, sterile filtration of 115–1000ml 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. nalgene 11/2-turn threaded screw closure guarantees leakproof seal and eliminates ph shift in receivers (except for 115ml size). receiver can be used to store filtrate. graduations on uppers and receivers. filter cup is printed with catalog number, lot number, membrane type, pore size, and expiration date. nontoxic, triton-free. preassembled and radiation sterilized.