VELP offers a new accessory for its Kjeldahl digestion units, DK 6, 8, 20 and DKL 8, 12, 20.
The glass cap (code A00000243) replaces the traditional test tube of 250 ml for unused positions.
Just to give you an example, let's imagine you are using a DKL 20 and you have only 15 samples to be digested.
Five glass cap can be easily positioned for the remaining positions (5, unused) to simplify the fume removal.