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Window Openers - 183 - Page 3 - Mega Sale! Save up to 22%


Mega Sale! Up to 22% off on Window Openers at The Net Stores Network, Page 3. Top brands include Sumnacon, Vent-L, Jack-Store, ZKer, & Estink. Hurry! Limited time offers. Offers valid only while supplies last.



Sumnacon Hydraulic Cylinder Replacement - Auto Vent/Automatic Greenhouse Window Opener Replacement Cylinder for Univent, Thermovent, Optivent, Ventomax, Sesam Liberty Window Opener
By Sumnacon
In Stock
$28.99

ean: 0607569035209,

4.2 out of 5 stars with 189 reviews
Description: Replaces worn out Piston Rod from one or more of your Vent Window Openers. The core technology is the hydraulic cylinder that contains a plant-based wax. This special designed cylinder containing this wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply You don't need any electricity in your greenhouse; the window opener will be very environmental throughout its whole lifetime Specifications: - Fully open distance: 45cm / 18'' -


Automatic Vent opener Vent-L N001 for window/doors of greenhouse load up to100kg
By Vent-L
In Stock
$41.90

mpn: 002, ean: 0645490991461,

4.8 out of 5 stars with 73 reviews
Universal Automatic Vent-L for vents, doors, greenhouses and polytunnels Vent-L is a unique, versatile, reliable device that does not require electricity, and works only on the raising of temperature in your greenhouse.Vent-L will protect your plants in the sunny days in the heat and keep a comfortable temperature in greenhouses or polytunnels. Thanks to Vent-L, there is no need to open and close vents and doors in the greenhouse every day, every morning and evening ,it will do it for you.


Jack-Store Solar Heat Sensitive Automatic Thermofor Window Opener Greenhouse Autovent Vent Opener Standard - Lifts 15 Lbs
By Jack-Store
In Stock
$26.99

ean: 0713924929141,

4.6 out of 5 stars with 99 reviews
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. No batteries or electrical power needed. The liquid-filled cylinders expand as temperature increases. Including fittings & installation manual. Can be clamped onto or screwed onto your greenhouse frame. Important notice:Do not use this opener anywhere the temperature will exceed 50° (122F).


ZKer Carbon Steel Automatic Window Opener, Automatic Greenhouse Roof Window Vent Opener Lifter Solar Heat Sensitive Greenhouse Vent Opener Sets Standard- Lifts 15 Lbs
By ZKer
In Stock
$36.99
$28.99
You Save: 22%

mpn: 43237-2, ean: 0637045897380,

4.8 out of 5 stars with 46 reviews
Automatic Agricultural Greenhouse Window Opener, Solar Heat Sensitive Window Opener, Vent Automatic Window Roof Opener Set Household ToolFeature:Ideal for your greenhouse window--opens and closes your greenhouse windowas the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheatingNon Electric, uses solar energy, open or close the greenhouse vents as temperature rises or dropsIncluding fittings & installation manualCan be clamped


Estink Automatic Window Opener,Solar Heat Sensitive Greenhouse Autovent Vent Opener Standard-Lifts 15 Lbs
By Estink
In Stock
$29.99

mpn: JZZ-GWOPENER, ean: 0614405587648,

4.2 out of 5 stars with 8 reviews
Greenhouse Window Opener Kit: Maximum window opening 45cm Maximum opening about 30 degree, depending on adjustment and load Maximum opening weight 7kg/15lb Adjustable open temperature range 15degree- 25degree/60degree- 77F Replacement Greenhouse Window Opener Cylinder: Maximum opening weight 7kg/15lb Adjustable length 33-45cm This products need to be refrigerated before using. Package includes: 1 x Window Opener KitNon Electric, uses solar energy, open or close the greenhouse vents as



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