Sproutwell® Automatic Louver Openers provides a simple automated ventilation system for your greenhouse during summer, day and night.
- The wax works on contraction as well as expansion, therefore as the wax cools it contracts and pulls the louver shut.
- Once temperatures reach 18-20 degrees the louver will commence opening gradually until it reaches 26 degrees where it will stay open
- By ventilating the greenhouse environment you will ensure the growth and healthy disease free plants.
- No electricity required or manual operation needed at all.
- Fully automatic heat activated greenhouse ventilation
- Suitable for all brands/standard Greenhouse Louvers
- Simple installation using the brackets/screws provided
- HIGHLY RECOMMEND ON LARGE GREENHOUSES TO KEEP AIR FLOWING