High quality self healing injector ports. Autoclavable. These rubber self-healing ports can be used to make your own culture/spawn jar lids. These stoppers can withstand ~30 injections before they will need to be replaced. They fit into a 10 mm diameter hole.
An elastic, wax-like film that can be stretched to seal petri dishes and test tubes.Many cultivators wrap individual culture dishes, once inoculated, to prevent the entry of contaminants along the periphery. We highly recommend this procedure for beginners and for anyone who frequently experiences the havoc wreaked by airborne contaminants.