klarako Louver Opener,Automatic Opening Closing Louver Blind Window Opener Opening Tool for Home Office Automatic Window Opener for Greenhouse

Specification:
Condition: 100% Brand New
Item Type: Window Opener
Material: Aluminium
Opening Force: 25kg / 55lb
Operation Area: Start at 17-25℃ (63-78℉)
Maximum Open: Full at 30-32℃ (86-90℉)
Closing Force: 15kg / 33lb via heavy duty spring
Support Bar Length: Approx. 34cm / 13.4in
Spring Fixing Tool Size: Approx. 14 x 5 cm / 5.5 x 2 in
Weight: Approx. 343g / 12.1oz

Package List:
1 x Support Bar
1 x Spring Fixing Tool
4 x Slotted Screw
2 x Small Cross Nail
4 x Screws
2 x Small Screw
4 x Large Round Fixed Ring
2 x Small Round Fixed Ring
2 x Round Iron Ring
1 x Instruction Manual

• 【Suitable for Most Blinds】The opening force is about 25kg/55lb, and the closing force is about 15kg/33lb. The automatic greenhouse ventilation kit is suitable for most blinds.
• 【Automatic Opening/Closing】The window opener automatically opens and closes as the temperature changes, it does not consume any power, energy-saving and .
• 【Working Condition】It starts to open when the temperature reaches 17-25°C (63-78°F), and reaches the maximum opening when the temperature rises to 30-32°C (86-90°F).
• 【Excellent Quality】The automatic greenhouse vent is made of high-quality aluminum, which is not easy to rust and is durable.
• 【Easy To Install】Easy installation through the provided clips or screws, no battery or electricity is required, simple and convenient.