Hydra Unlimited Neoprene Collar, Pack of 10 Mushroom Growing Supplies This speed adjustment allows for

This speed adjustment allows for the same amount of air to pass through the filter without reducing the cubic feet for minute (CFM)

This symbiosis helps the plant access nutrients and water that would otherwise be unavailable

Avoid spraying crop one week before or after releasing predators

EZ-CLONE Infinity Collar makes it easy to insert and remove plants without disturbing the roots

Hydra Unlimited Neoprene Collar, Pack of 10 Mushroom Growing Supplies This speed adjustment allows forThis is our standard 3. 5" neoprene collar, used as an insert into Root Halo: our media less snap in netpot system. It's designed to support young plants, and to provide continued stability as your plants expand and grow. Made in the USA, and available in 10 packs, or bulk 150 packs.