Free Shipping Included! BIBISTORE Solar Auto Ventilation Window Opener with Two Springs for Hothouse Greenhouse Coldframe by BIBISTORE at Ultimate Garden Supply. MPN: BB-410. Hurry! Limited time offer. Offer valid only while supplies last. Automatic Greenhouse & Coldframe Window Opener Technical Data: Opens up to 45 cm ( 18'' ) Lifts vent weight up to 15 kgs ( 30 lbs ). Open temperature adjustable from 15℃to 23℃ ( 50℉ to 73℉) Fully open at 33℃ ( 91℉ ) or above, max permissible temp 60℃ ( 140℉)Aluminum and Stainless steel material for durability.. Two springs are more strong and better withstand Wind.. Great trouble free dual spring design.. Easy to fit onto your Greenhouse vent or window using supplied screw
Product Description & Reviews
Automatic Greenhouse & Coldframe Window Opener Technical Data: Opens up to 45 cm ( 18" ) Lifts vent weight up to 15 kgs ( 30 lbs ). Open temperature adjustable from 15℃to 23℃ ( 50℉ to 73℉) Fully open at 33℃ ( 91℉ ) or above, max permissible temp 60℃ ( 140℉)
Features & Highlights
- Aluminum and Stainless steel material for durability.
- Two springs are more strong and better withstand Wind.
- Great trouble free dual spring design.
- Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes.
- Best for awning style windows.Uses Solar energy only, no power required.
2.5 x 2 x 14.4 inches
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