Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 150x16mm, rimless, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 20 ml, PK48
23G needle with 7 inch flexible tubing. With safety shield designed to active while the needle is being removed from the vein, audible click asures that mechanism is engaged. Pk 50, Cs 1000
Reusable. Borosilicate Glass. For use in bacteriological work. Repeated sterilization, wet or dry, does not cause clouding. With beaded rim and permanent white marking spot. Size,mm: 13x100. Volume: 9ml.