Window Openers - Page 2 - Blowout Sale! Save up to 64%
Blowout Sale! Up to 64% off on Window Openers at Halo Grow Box, Page 2. Top brands include TruePower, Sumnacon, GOTOTOP, Robolife, Mokylor, Youzpin, Haofy, SING F LTD, Grandio Greenhouses, Jack-Store, GLOGLOW, Whitelotous, Baidfeng, Alian, Earthcare, Zerone, Bayliss, & Vent-L. Hurry! Limited time offers. Offers valid only while supplies last.
Set of 2 Roof Window/Vent Opener for Greenhouses (NO TEMPERATURE CONTROL)
mpn: 40-8332, ean: 0870208000344,
4.5 out of 5 stars with 124 reviews
This heavy duty greenhouse window/vent opener uses a hand operated thumb knob to open and close greenhouse windows. The automatic temperature control does NOT function on these units.2pc Greenhouse window/vent opener - NO TEMPERATURE CONTROL. Windo...
Robolife Automatic Window Opener for Garden Greenhouse Single Spring
4.9 out of 5 stars with 9 reviews
Open automatically when the temperature rises, while closing automatically when the temperature drops, replace the manual window arm. Made of aluminum and stainless steel, durable and weather resistant. No battery or electricity needed, no running co...
Automatic Greenhouse Window Vent Opener Replacement Cylinder ONLY
4.5 out of 5 stars with 139 reviews
Item Descriptions:-This listing is a replacement CYLINDER only, for the full set of auto vent opener you can find it in my shop.-Also suitable for Orbesen, Gardman & B&Q vents-Non Electric, uses solar energy, open or close the greenhouse vents as tem...
Grandio Automatic Greenhouse Wall Louver Opener
4.9 out of 5 stars with 63 reviews
Automatically opens and closes the louver window when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a s...
Baidfeng Window Openers Arm Operator (Right Hand), Alloy Hand Fenestrators
mpn: BF20180511, ean: 0634759421207,
4.7 out of 5 stars with 110 reviews
It can withstand 85 pounds of weight, good wind resistance and long service life.. Slide smoothly, open the window will not make a harsh voice, let you experience quiet life.. Using the effect of outdoors powder spraying, the corrosion resistance is ...
Bayliss Greenhouse Autovent, XL
You Save: 1%
mpn: XL Autovent, ean: 0764558054914,
4.0 out of 5 stars with 65 reviews
BAYLISS XL Autovent - full retail package Brand new stock available for immediate despatch. Offered with a manufacturer backed full 2 year guarantee. Opens greenhouse roof vents as the temperature rises, automaticaly closes as temperature drops. Aut...
Automatic Vent opener Vent-L N001 for window/doors of greenhouse load up to100kg
mpn: 002, ean: 0645490991461,
4.6 out of 5 stars with 118 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...