it is fabricated completely of a green plastic making it translucent and making the ... is made with holes to hold centrifuge tubes two shelves hold 60 1.5 ml centrifuge ... tubes each two shelves hold 80 0.5 ml ... centrifuge tubes each and two shelves hold 192 0.2 ml ... pcr tubes each in two classic 96 well formats per ... cb20 is provided with brass swagelok fittings on the rear of the unit that accepts 1/ ... 8 inch i.d 1/4 inch o.d plastic tubing temperature is sensed with a 3/ ...