Adapter 1x250ml f.500ml verp(2x)

Adapter, for 1 bottle 180 – 250 mL flat/ 175 – 225 mL conical (Please note that these conical bottles need to be used together with a conical form insert provided by the manufacturer.), for 500 mL rectangular bucket in Rotor A-4-81 and Rotor S-4x500, 2 pcs.