Optional O2gas regulator

Silicone mattress for 6× 50ml tubes, use with SK33

Block for Visible,for 2ml Epp, 10,8mm*12 (d. 31mm)

Package 1 rotor type RS 1 Set of magnetic stirring bars 20pcs/box Round Stirrer bar， Ø6 X 10mm Include 2Pcs