EZ-Clone 35 White Cloning Collars spl_hw This implies that the measurements

This implies that the measurements are taken from the outer edges of the grow tray

Robust and Humidity-Resistant: Crafted with a blend of steel and aluminum

and para-xylene

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EZ-Clone 35 White Cloning Collars spl_hw This implies that the measurementsDescription EZ Clone 35 White Cloning Collars: A key component for any propagation needs, these cutting edge collars are custom designed for the unique requirements of the EZ Clone Cloning System. Specialized Design: The EZ Clone Cloning Collars have been engineered from sterile materials. Their special form holds your cuttings upright in the lid, neatly exposing the top leaves to air and light while allowing the stems unrestricted access to the