CM310018R-2346  10 ml Clear Round Bottom, 23x46 mm, Qty 1000  $200.00  
CM31018R-2346A  10 ml Amber Round Bottom, 23x46 mm, Qty 1000  $212.00 
CM320018R-2375  20 ml Clear Round Bottom, 23x75 mm, Qty 1000  $215.00 
​CM32018RM-2375  20 ml Clear Round Bottom with Marking Spot, Qty 1000​  $235.00 
CM32018R-2375A  20 ml Amber Round Bottom, 23x75 mm, Qty 1000  $234.00 
​​CM3218RM-2375A  ​20 ml Amber Round Bottom with Marking Spot, Qty 1000  $346.32 

CM5310M-18  18 mm Silver Metal Closure, No Septa, Qty 1000 $92.51
CM5350-18M  18 mm Silver Metal Closure, 0.050" PTFE/Si, Qty 1000  $397.80 
CM5356B-18M  18 mm Silver Metal Closure, 0.060" Blue PTFE/Si, Qty 1000  $343.20 
CM5351TB-18M  18 mm Silver Metal Closure, 0.125" Translucent Blue PTFE/Si, Qty 1000  $405.00
​CM5354-18M  18 mm Silver Magnetic (Metal) PTFE/Red Butyl Liner, Qty 1000  $405.00​
​​CM5001-20ST  20 mm Gray Butyl Rubber Snap on Stopper w/Si Treatment  $132.60 ​

18 mm Metal Screw Thread Caps (Magnetic)

18 mm Screw Thread Round Bottom Headspace Vials

CM Science offers a variety of headspace vials to fit your autosampler.  The vials on this page are European style headspace vials.  They are 18 mm screw thread vials with round bottoms.  These types of vials fit Tekmar, Varian, Perkin Elmer and L.E.A.P Technologies autosampler.