Automatic Greenhouse Window Opener Autovent Gardening Naturally Wooden planters salad or vegetable crops or

salad or vegetable crops or for decorative planting

Size - adjusts from 3ft 3in up to 8ft (98cm up to 2

- as well as other flowers or plants

2kw to heat up to a 10ft x 12ft greenhouse

pressure-treated timber which comes with a 15-year guarantee against rot

Automatic Greenhouse Window Opener Autovent Gardening Naturally Wooden planters salad or vegetable crops orThis automatic greenhouse window opener is designed to open and close greenhouse windows using solar heat, removing the need for manual adjustment. Also known as an autovent for greenhouse use, it helps manage internal temperatures without electricity or wiring. Replacement cylinders are available for this autovent Automatic Greenhouse Window Opener Works by Heat This greenhouse window opener operates using the warmth inside the greenhouse. As