Glass Fiber Filter, binder free, for LCTech glass Back Catalog number: 13536 Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 13542 Empty Glass Column, Borosilicate glass, 6mL; luer Price on request 10230 Glass Fiber Filter / Frits; for general purpose; s Price on request PL3540-C603 PL-HCO3MP SPE 500mg/6mL, 50/pk Price on request