Polylab 3 Tier Test tube stand

13 x 18 (77714), 13 x 31 (77706), 13 x 31 (77801), 13 x 48 (77720), 13 x 62 (77717), 13 x 62 (77805), 13 x 72 (77721), 15 x 18 (77715), 16 x 31 (77707), 16 x 31 (77802), 16 x 62 (77718), 16 x 62 (77806), 18 x 12 (77716), 20 x 20 (77708), 20 x 20 (77803), 20 x 40 (77719), 20 x 40 (77807), 25 x 12 (77709), 25 x 12 (77804), 25 x 18 (77710), 25 x 18 (77809), 25 x 24 (77808), 25 x 36 (77712), 25 x 36 (77810), 32 x 12 (77711), 32 x 12 (77811)