Hydrofarm Black & White Grow Bag 7 gal (16 packs of 25) Light Fixture smoke and odors—so the air

smoke and odors—so the air you breathe stays clean

or plumbing — helium's small atomic size makes it ideal for finding micro-leaks

while included hoop springs allow for manual side curtain ventilation

removes sediments and protects the system down to 5 microns

The included Turbo power adaptor increases the fan's RPM by 25% and boosts its CFM rating for greater airflow

Hydrofarm Black & White Grow Bag 7 gal (16 packs of 25) Light Fixture smoke and odors—so the airDescription Product Details: White Black Grow Bags This update to the classic Hydrofarm grow bags features a new durable white plastic outer layer so you can write details like plant type, planting dates and growing notes, right on the bag! The white surface also reflects light, helping keep plants' roots cooler. These bags are a great low cost alternative to plastic pots used by greenhouse growers. And as always, they're made from a specially