Aeroponic 105 Site Lid – 1.9″ Permaclone Collar

The only 100% Heat AND Chemical sterilizable cloning collar. Food grade, 3rd party tested to ensure U.S. and E.U. compliance. Nanotechnology allows microwave sterilization in minutes. Shaped to allow efficient, fail-proof Dunk-Based™ sterilization. Surface chemistry resists root growth into the collar.