PURE SUBSTRATES® MaxAir 2 Gallon Grow Bag - (Case of 18) Type_Cannabis Extract Storage Passive Exhaust Shutter

Passive Exhaust Shutter

which can lead to breakage and material waste

and therefore can remain in liquid suspension for weeks or months

External Humidistat On/Off Control

Other plugs are slit

PURE SUBSTRATES® MaxAir 2 Gallon Grow Bag - (Case of 18) Type_Cannabis Extract Storage Passive Exhaust ShutterPURE POWER HP MAX AIR Clean. Consistent. Predictable results. Simply the best quality coco you will ever try. RHP Certified Designed and tested in Holland to the absolute highest horticultural standards on the planet, the substrate and the factory are RHP certified for premium quality. All Killer No Filler! PURE Power HP bags are produced with only the highest quality raw materials. We do not use the "waste" product of the husks unlike many other