Vacuum seal assembly for evaporating flask （PTFE)，used for RE1000/2000/5000-E

Prefilled 2.0ml tubes, reinforced, Stainless Steel, 2.8mm Acid Washed, 50pk

Block for NDK200-2 for 22l vials, 23,2*6, d.45mm

Heating block, used for 0.2mL, 0.5mL and 1.5/2mL tubes , 18 holes each volume (thin)