Greenhouse Auto Vents

Speedwellstar Automatic Greenhouse Window Opener Vent Solar Auto Heat Sensitive Kit Roof

Price: £18.48

Automatic Window Opener This opener will automatically open your greenhouse window or vent preventing your greenhouse from overheating Suitable for most greenhouses Uses solar energy - it's FREE to run! Temperature changes in your greenhouse will... (more)
SurePromise Auto Vent Solar Automatic Greenhouse Window Opener 15KG White

Price: £21.99

Do not use the automatic green house window opener at anywhere the temperature will exceed 60 degree (140 degree F); Please make sure your greenhouse window can be opened freely at least 45cm (18"); package Bracket x 1;Cylinder x 1;Clamp x 2;Pin... (more)
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)
Selections Automatic Greenhouse Window Opening Vent (Single Spring)

Price: £17.99

This automatic greenhouse vent opener will allow air to circulate through the greenhouse when its hot, and then it closes when the temperature cools Working via a temperature sensitive cylinder that expands when hot, the opener operates between up... (more)
Automatic Window Opener , 7kg Window Lifter For Garden House Greenhouse By XXYsm

Price: £6.51

Package Include: 1 x Replacement Greenhouse Window Opener Cylinder
Automatic Greenhouse Window Opener Temperature Control Sensitive Kit Roof

Price: £19.75

Our products are made of high quality and high quality materials. This offer includes: Automatic window opener for greenhouses Automatic roof vent, suitable for aluminum greenhouses, de-energized, lifting capacity ca.7 kg, Opening height approx.... (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)
Replacement Window Opener Auto Vent/Automatic Greenhouse Cylinder

Price: £19.38

Replacement Window Opener Auto Vent/Automatic Greenhouse Cylinder
Rcool Automatic Window Opener 7kg Window Lifter Vent Solar Auto Heat Sensitive Opener Cylinder for Garden House Greenhouse Shed

Price: £7.98

Feature: 100% brand new and high quality. Quantity: 1 Color:Black Material:Iron+Plastic Size:34cm Maximum opening weight 7kg/15lb Application:For support Greenhouse Window This listing is a replacement CYLINDER only, for the full set of auto vent... (more)
Bayliss XL Auto Vent Opener

Price: £14.99

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)
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