Test Tube Racks(plastic) Description: Made of a blend plolyplene,locking feels allow racks to be stacked while not in use .Rows are numbered and lettered for tube identification.Available in five sizes and colours. Item no. O.D.  Tubes Rows Colour A1989-1000 13mm 90 6*15 white A1989-1001 16mm 60 5*12 white A1989-1002 20mm 40 4*10 white A1989-1003 25mm 24 3*8 white A1989-1004 30mm 21 3*7 white A1990-1000 13mm 90 6*15 red A1990-1001 16mm 60 5*12 red A1990-1002 20mm 40 4*10 red A1990-1003 25mm 24 3*8 red A1990-1004 30mm 21 3*7 red A1991-1000 13mm 90 6*15 blue A1991-1001 16mm 60 5*12 blue A1991-1002 20mm 40 4*10 blue A1991-1003 25mm 24 3*8 blue A1991-1004 30mm 21 3*7 blue A1992-1000 13mm 90 6*15 yellow A1992-1001 16mm 60 5*12 yellow A1992-1002 20mm 40 4*10 yellow A1992-1003 25mm 24 3*8 yellow A1992-1004 30mm 21 3*7 yellow A1993-1000 13mm 90 6*15 green A1993-1001 16mm 60 5*12 green A1993-1002 20mm 40 4*10 green A1993-1003 25mm 24 3*8 green A1993-1004 30mm 21 3*7 green Qty :