Active Air Inline Carbon Filter, 8"x30" Monterey Neem Oil PBH Rice Hulls add porosity

PBH Rice Hulls add porosity to the rooting substrate that allows improved movement of water and oxygen to aid root development and reduce the incidence of disease

especially suited to warm winter climates and mild winters

with timers

- Gradual release of nutrients ensures stable availability

well-ventilated area away from open flames

Active Air Inline Carbon Filter, 8"x30" Monterey Neem Oil PBH Rice Hulls add porosityDescription The Next Advancement in Carbon Air Filtration: Active Air Inline Carbon Filters are designed for maximum versatility in filter and fan placement. The traditional limitation of having the carbon filter inside the grow room has been eliminated. Unique Design: Unlike most carbon filters which are terminal in design, i. e., closed at one end and need to be at the end of the ducting line, Active Air Inline Filters have a unique design allowing