Greenhouse Auto Vents

Bayliss XL Auto Vent Opener

Price: £16.03

BAYLISS XL Autovent - full retail package Brand new 2012 stock available for immediate despatch. We usually ship all orders received by 3.00pm the same day. Offered with a manufacturer backed full 2 year guarantee. Opens greenhouse roof vents... (more)
Bayliss Automatic Autovent Greenhouse window opener x 2

Price: £30.69

Essential for greenhouse growing, Bayliss autovents automatically open and close hinged vents providing accurate and continuous ventilation around the clock. Using the energy from the sun the Autovents are designed to mechanically open as the temperature... (more)
Automatic Greenhouse Vent Opener

Price: £19.99

Automatically opens and closes your greenhouse roof vents as the temperature changes. Complete kit, ready to install with easy to follow instructions. Fits most greenhouses. Unfortunately if you have one of the "trapped polycarbonate" type of greenhouse... (more)
Speedwellstar Strong 2 Spring Automatic Greenhouse Window Opener Vent Solar Auto Heat Sensitive Kit

Price: £18.48

Automatic Greenhouse Window Opener
Elloughton Greenhouses The Original Ellovent™ Automatic Greenhouse Window Opener, Adjustable Roof Vent Autovent, Solar Powered

Price: £17.99

The Original ElloventTM Greenhouse Vent Opener Solar Powered Autovent Opens and Closes Greenhouse Window Automatically. Easy to Install, easy to Adjust Opening Temperature. Two separate maximum opening settings. Fits directly to roof vents and slam... (more)
Automatic Window Opener - Bayliss

Price: £17.45

This popular unit simply clamps on and opens up to 12" wide. This unit comes with a 2 year guarantee.
Window Opener, Automatic Greenhouse Vent Window Opener Solar Auto Heat Sensitive Kit, Loading Capacity 7kg/15lb

Price: £16.29

Description: Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops, including fittings & installation manual. Ideal for your greenhouse window opens and closes your greenhouse window as the temperature.... (more)
Grow It Gardman Greenhouse Auto Vent, Green, 10x5x38 cm

Price: £24.95

Maintain an even temperature in your greenhouse with this auto vent which opens and closes with temperature changes. You can adjust it to open at a specific required temperature and it comes with all necessary fittings and instructions. Designed... (more)
Decdeal Greenhouse Windows Opener, Temperature Controlled Automatic Vent Opener with Single Spring

Price: £19.99

After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the... (more)
YoiYee Automatic Greenhouse Window Opener, Solar Heat Sensitive Auto Vent Opener - Silver

Price: £18.18

Feature: Ideal for your greenhouse window--opens and closes your greenhouse window as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non Electric, uses solar energy,... (more)
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