3496 Costar 6.5mm Transwell-COL with Collagen-Coated 3.
Corning Costar 6.5mm Transwell-COL with Collagen-Coated 3.0m Pore PTFE Membrane Insert, Sterile - COP
Corning Costar 6.5mm Transwell-COL with Collagen-Coated 3.0m Pore PTFE Membrane Insert, Sterile - COP