Automatic Vent Opener - Gigavent Hoes Plants fortified with potassium are

Plants fortified with potassium are better equipped to resist diseases

Whether for fresh table grapes or crafting your signature wine

these baskets promote healthier and more vigorous plant growth

absorbent medium—ideal for seed starting

Life expectancy of 6-10 years

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