Microtube holder for cup booster BR 30

For simultaneous sonification of pathogenic and toxic materials with: 1 perforated disc for 3 x 1.0 ml or 2.0 ml microtube cups each, 1 perforated disc for 3 x 0.5 ml microtube cups each, 1 perforated disc for 8 x 0.2 ml RPCR cups each.
Converter and stand are not included.