PCR Cooling Chambers- Metal Cooling Blocks for PCR Plates. PCR Thermal Cycler Cooling Chambers for 96 well PCR plates and 0.2 ml Tubes. Special Low Price. Code: MC02 Price: $175.00 Quantity in Basket: none Double PCR Cooling Chamber Code: MC02X2 Price: $295.00 Quantity in Basket: none Centrifuge Tube Rack - Cooling Chamber-for 0.2 ml. 0.5 ml and 2 ml tubes. Special low price. Code: MC05 Price: $175.00 Quantity in Basket: none Cool Block- 90 Tube Rack Code: PSMC90 Price: $350.00 Quantity in Basket: none Metal Chamber for Cryo Vials Code: MCCV Price: $220.00 Quantity in Basket: none