Hydrofarm Black & White Grow Bag 3 gal (20 packs of 25) Plant Care/Pest & Disease Control they have a heavy-duty copper

they have a heavy-duty copper coil for increased durability and performance

metallic thermal beads designed to replace water in laboratory water baths and ice in ice buckets

Single-stage pumps reach a max vacuum of 50-75 microns (0=complete vacuum)

Not Included

The Pinot Noir Wine Grape Vine is a perfect choice for wine enthusiasts and gardeners alike

Hydrofarm Black & White Grow Bag 3 gal (20 packs of 25) Plant Care/Pest & Disease Control they have a heavy-duty copperDescription 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