Simply autoclave and rinse with 10% bleach solution or ethanol
Nest tips fit the same and achieve a similar ergonomic benefit for 50% less
Each pen holds 3mL or 300 IU or 300 clicks
All tips in a lot come from the same mold cavity for low case to case variability
Nest Scientific Part Number TD75112
150 mL Vacuum Filtration, 0.22 μm, PES, Sterile,1/pk, 12/cs - 346001 Square Well Simply autoclave and rinse withProduct Details: NEST Scientific 346001 1 filter per sterile bag, 12 filters per case Comes with 250mL bottle part 346021 pre attached Ideal for sterilizing and clarifying cell culture media Polyethersulfone (PES) membrane 0. 22 m membrane pore size Low protein binding High flow rate Not for use with chloroform, esters, amides, strong acids or strong bases Hydrophilic 45 maximum working temperature 89mm diameter membrane filter Polystyrene cap and cup