For 50 pieces/1 box quartz fiber filter membrane

Optical Window, Quartz, Spectrosil B

Nalgene™ Filter Unit 115mL 0.2 μm CN Membrane (Green) Sterile LABORATORY LAB

Hydrogen Cell Protons Exchange Membrane Cell, High School3581

VWR™ Bottle Top Filter UpperCup 250mL 0.45μm PES Membrane Sterile LABORATORY LAB

Leybold Q6 Quartz Crystal Changer Contact & Springs - Inficon / Balzers

For Quartz fluorescence ultra-micro cuvette 1CM/50ul100ul200ul test laboratory

CHI2010-S sealed H-type replaceable membrane electrolytic cell/electrolytic cell