To control gas flow rate

1000ml aluminum alloy bead bath block, with 1000ml beads (18900514 + 18900512 x 2) outer diameter 192mm, inner diameter 166mm, outer height 98mm, inner height 95mm

HM100-Pro LCD digital Thermo Mix with heating, mixing,with 1pcs heating block for free (select a size)

Block for NDK200-1/2, 12mm*12, depth 24mm