These Upchurch scientific biocompatible filters are made from 100%
PeeK polymer. each has two PeeK frits. The bottom frit (2 µm or 10 µm) will draw solvents from within .08” (2 mm) of the bottom of the
solvent bottle. The 2 µm frit on the side may be used for a 1/8” od
helium sparging line.
To use, simply press fit your appropriately sized fluoropolymer
tubing firmly into the top holes. That’s it!