Nalgene Thermo Scientific Sterilization filter unit/PS type CN 500 ml, 0.45 μm,nitrocellulose membrane, 12 pc/PAK

Have a leak-proof NALGENE screw cap. Pore size and membrane type are printed on the GREEN connector. Each carton contains 12 glass fibre pre-filters. Transparent, sterile filtrate bottles are also available separately. Sterile / graduation. NO grid graduation