Both products are sterile Vacumed® capsules with turquoise caps. They each contain a gel separator and lithium heparin. Model 42811 measures 13x75 mm and can hold up to 3 ml of blood yet model 43816 is 13x100 mm in size and therefore can hold up to 5 ml of blood.
a:3:{i:0;a:2:{s:4:"name";s:22:"Other characteristics:";s:3:"val";s:13:"separator gel";}i:1;a:2:{s:4:"name";s:14:"Anticoagulant:";s:3:"val";s:15:"lithium heparin";}i:2;a:2:{s:4:"name";s:13:"Applications:";s:3:"val";s:19:"for plasma analysis";}}