These medical grade needles are individually sealed in a sterile package and ready for use. Remove from packaging in front of a flow hood or sterile air box, attach to a liquid culture syringe via the luer lock, and inject into sterilized rye or other substrate through the airport lid of your jar. 18 gauge needles, 33 mm long (1.5″).
Sold in packs of 10 or 25.
