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Greenhouse Ventilation Window Opener, Roof Ventilation Window Opener, Central Wall-Mounted Opener, Suitable for Greenhouses, Factories, Warehouses

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$44.10

$ 22 .99 $22.99

In Stock
  • 🏬【Aluminium Alloy】--- Made of high quality aluminium material, not easy to rust and durable in use.
  • 🏬【Easy to Master】--- Universal, easy to install and use, suitable for any blind window, easy to use.
  • 🏬【Automatically】--- The window opener automatically opens and closes as the temperature changes.
  • 🏬【High Security】--- Spring and support bar provide additional protection against wind damage.
  • 🏬【Fool-proof Installation】--- Easy fitting by clamps or screws provided, no batteries or electricity required.


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


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