Automatic Vent Opener - Gigavent Hoes Plants fortified with potassium are

Plants fortified with potassium are better equipped to resist diseases

Life expectancy of 6-10 years

and flowers

Planting depth/Spacing: 6"/1-2"

absorbent medium—ideal for seed starting

Automatic Vent Opener - Gigavent Hoes Plants fortified with potassium areIngenious temperature sensitive device that automatically opens and closes coldframe lids, greenhouse windows and even skylights. Works throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires no batteries or electricity. It can be adjusted to start opening between 60 77F. Fully open at 86 90F. Fully closed at 55F. Strongly recommended for all our glazed season extenders because it