Our spore syringes are made using high quality 10CC syringes. These can be sterilized and reused. Needles come factory wrapped and sterile. Made in front of a scanned, 99.99% efficient HEPA filter. These units screen out all airborne contaminants down to .3 microns with a guaranteed efficiency of 99.99%. These filters are used throughout the microbiological industry and by computer manufacturers, nuclear laboratories, photographers, and anywhere else clean air is a must.