Best Multi span Greenhouse

1 White Recessed Screw Terminal Block Door Contacts NC Alarm Door Window Sensors with Magnetic Reed Switch. These 38 Door Contact Position switches DCS Work

  • [Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
  • [Greenhouse Helper]-- With this greenhouse vent autovent it can prevent greenhouse overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Start to open - 15°c - 25°c (60°-77F).
  • Fully open temperature 35° (19f) or above.
  • [Solar Energy]-- Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. This solar heat sensitive vent opener can lift up to 15 lbs. the cylinder closes well before deep freezing and opens again with no problem..
  • [Premium Quality]-- This solar heat sensitive adopted elongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof..
  • [Warm Tips]-- Do not use this opener anywhere the temperature will exceed 45° (122F). To use with the greenhouse, you need to use the drilling tools to screw into the channel and fix it..
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QAQE Greenhouse Tents,Mini Small Greenhouse for Plant,Portable Plant Gardening Greenhouse Tent,Durable PVC Cover with Roll-Up Zipper Door for Garden,Patio(Only Cover)

  • ☀Greenhouse Tent Material: Made of high-quality PVC, durable and sturdy.100% waterproof and UV resistant, allowing your plants and flowers to absorb more sunlight and provide enough space for your growth..
  • ☀Mini Greenhouse Cover Size: Approx. Two layers 69*49*92/27.2*19.3*36.2inch.
  • Three layers 69*49*126/27.2*19.3*49.6inch.
  • Five layers 69*49*187/27.2*19.3*73.6inch..
  • ☀Small Greenhouse for Plants:The garden greenhouse can keep warm, protect your plants from the cold and snowstorm, and provide a more comfortable space for your nursery..
  • ☀Easy to Use: Greenhouse tent can be directly supported by sticks or iron frames. If your greenhouse has been damaged, you can buy our covers to get a new garden greenhouse and save even more money at the same time..
  • ☀Package includes: 1*Protective cover. Greenhouse is easy to move, has good air permeability and is full of sunshine.If you have any question, pls contact us anytime..
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AMERLIFE 6x8 FT Hybrid Polycarbonate Greenhouse with Lockable Hinged Door 2 Vent Window Walk-in Hobby Greenhouse Aluminum Hot House for Outdoor Garden Backyard Silver

  • 【CUSTOMIZE WINDOWS POSITION】Different from other greenhouses, double windows of our polycarbonate walk-in greenhouse all with 4-position manual adjustable poles for better ventilation, which can create an ideal growth environment for your plants. You can also customize the window to any roof panel according to your like. The 8' x 16' greenhouse has a large space that can accommodate enough plants and gardening tools, you can directly enjoy the fun of growing plant after assembly..
  • 【DOUBLE SWING DOORS】Unlike other polycarbonate greenhouses with sliding door, we upgraded the doors for swing-out lockable design which makes it easier for you to walk into the greenhouse for daily use. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under the harsh environment. We also upgraded the structure to shorten the greenhouse installation process and make your life much easier..
  • 【HEAVY-DUTY GREENHOUSE FOR OUTDOOR WINTER】The frame of our heavy-duty walk-in greenhouse kit is made of premium corrosion resistant and weather resistant powder-coated thickened aluminum in grey f....
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VEIKOU Greenhouse for Outdoor, 8' x 16' Polycarbonate Greenhouse Heavy Duty, Aluminum Green House Kit for Winter Plants with Doors and Adjustable Roof Vents Grey

  • 【CUSTOMIZE WINDOWS POSITION】Different from other greenhouses, double windows of our polycarbonate walk-in greenhouse all with 4-position manual adjustable poles for better ventilation, which can create an ideal growth environment for your plants. You can also customize the window to any roof panel according to your like. The 8' x 16' greenhouse has a large space that can accommodate enough plants and gardening tools, you can directly enjoy the fun of growing plant after assembly..
  • 【DOUBLE SWING DOORS】Unlike other polycarbonate greenhouses with sliding door, we upgraded the doors for swing-out lockable design which makes it easier for you to walk into the greenhouse for daily use. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under the harsh environment. We also upgraded the structure to shorten the greenhouse installation process and make your life much easier..
  • 【HEAVY-DUTY GREENHOUSE FOR OUTDOOR WINTER】The frame of our heavy-duty walk-in greenhouse kit is made of premium corrosion resistant and weather resistant powder-coated thickened aluminum....
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Outsunny 26' x 10' x 7' Outdoor Walk-in Tunnel Greenhouse with Roll-up Windows & Zippered Door, Steel Frame, & PE Cover

  • GREEN PLANT PASSAGE: This outdoor greenhouse tent is composed of a solid, high-quality PE mesh fabric with 7 crossbars inside to structure the frame. These two together create a strong plant nursery and a healthy place for your plants to grow..
  • GOOD VENTILATION: The 12 mesh roll-up windows of the walk in greenhouses for outdoors are split between both sides of the hot house. 6 windows on each side ensure cross-air ventilation in this poly tunnel greenhouse and very easy climate control..
  • EASY ACCESS: The Outsunny walk in greenhouse is equipped with a zippered roll-up door, making it convenient for you to enter or exit this greenhouse for outdoor..
  • STABLE STRUCTURE: The edge of the backyard greenhouse PE cover features a bit of extra room, which is made to be buried into the soil and create a tight seal for your plants. In case you need even more stability, walk in greenhouse includes 4 ground stakes and 4 guy ropes to keep things nice, tight, and secure..
  • GARDEN GREENHOUSE DIMENSIONS: Large Greenhouse Overall Dimensions: 26.2'L x 9.8'W x 6.6'H, Door Size: 58.25" W x 70.75" L.
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AMERLIFE 6x12 FT Hybrid Polycarbonate Greenhouse with Lockable Hinged Door 3 Vent Window Walk-in Hobby Greenhouse Aluminum Hot House for Outdoor Garden Backyard Silver

  • 6x12 Hybrid Greenhouse: Create a space where you can raise seedlings or heat-loving grow crops. Twin-wall translucent polycarbonate roof panels combine Crystal-clear shatterproof PC wall panels, balancing light exposure and preventing plant sunburn.
  • Weather-resistant Backyard Greenhouse: Engineered with heavy duty and rust resistant aluminum frame with inserted PC panels. Galvanized Steel base including pre-drilled holes for additional stability. Wind Rating: 56 mph.
  • 3 Vents & Lockable Swing-out Door: Ensure your plants get all the fresh air they need, while stay cool and comfortable when working inside this aluminum greenhouse. Dual window vents for extra ventilation. Door hook added to keep green house door open.
  • Built-in Gutter System: The walk-in greenhouse with effective water drainage & collection on both sides. Attach a hose to collect rain for watering plants inside hot house..
  • Step by Step Installation: Delivered with a comprehensive set of instructions. With help at key moments, 2 competent DIY enthusiasts can erect this size of greenhouse in 4 hours. Recommended to build a foundation 3-5" bigger than the base frame of the greenhouse. Arrive in 3 separate boxes and may not be part of the same shipment.
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VEIKOU Greenhouse for Outdoor Heavy Duty Polycarbonate, 6' x 10' Garden Plants Green House Kit with Aluminum Frame, Lockable Door and Rain Gutter for Backyard Winter, Silver

  • 【RAIN GUTTER & SWING DOOR】Our greenhouse for outdoor plants with gutter system on both sides to collect and drain rain water. Unlike other polycarbonate greenhouses with sliding door, we upgraded the door for a swing-out lockable design which makes it more easier for you to walk into the greenhouse for daily use. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under the harsh environment..
  • 【CUSTOMIZE WINDOW POSITION】Different from others, the window of our polycarbonate walk-in greenhouse for outdoor with 4-position manual adjustable poles for better ventilation, which can create an ideal growth environment for your plants. You can also customize the window to any roof panel according to your like. The 6’ x 10’ greenhouse has a large space that can accommodate enough plants and gardening tools, you can directly enjoy the fun of growing plant after assembly..
  • 【HEAVY-DUTY GREENHOUSE FOR MORE STURDY】The frame of our heavy-duty walk-in greenhouse kit is made of premium corrosion resistant and weather resistant powder-coated thickened aluminum in silver finish, which is rust-resistant and more sturdy to deal with all kinds of weather. The thick....
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GLOGLOW Greenhouse Automatic Window Opener Auto Vent Replacement for Gardman Vents Temperature Controlled Sensor Automatic Window Opener

  • Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops..
  • High sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse. As the temperature changes automatically,....
  • This is a replacement cylinder for automatic window opener. Deal for your greenhouse window--opens and closes your greenhouse window..
  • Window opener for greenhouse can time saving, also can supply a better temperature condition of plant's growth..
  • Great for most greenhouse to open or close window automatically. Adjustable for different opening heights and mountable two different ways, taking up....
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VEIKOU Greenhouse for Outdoor Heavy Duty Polycarbonate, 8' x 14' Garden Plants Green House Kit with Aluminum Frame, Lockable Doors and Rain Gutter for Backyard Winter, Grey

  • 【RAIN GUTTER & SWING DOOR】Our greenhouse for outdoor plants with gutter system on both sides to collect and drain rain water. Unlike other polycarbonate greenhouses with sliding door, we upgraded the doors for double swing-out lockable design which makes it more easier for you to walk into the greenhouse for daily use. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under the harsh environment..
  • 【CUSTOMIZE WINDOW POSITION】Different from others, two-windows of our polycarbonate walk-in greenhouse for outdoor all with 4-position manual adjustable poles for better ventilation, which can create an ideal growth environment for your plants. You can also customize the window to any roof panel according to your like. The 8’ x 14’ greenhouse has a large space that can accommodate enough plants and gardening tools, you can directly enjoy the fun of growing plant after assembly..
  • 【HEAVY-DUTY GREENHOUSE FOR MORE STURDY】The frame of our heavy-duty walk-in greenhouse kit is made of premium corrosion resistant and weather resistant powder-coated thickened aluminum....
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Farm Plastic Supply - Black & White Greenhouse Plastic Sheeting - 6 mil - (10' x 10') - 90% Reflective Green House Covering Film for Farming, Gardening, Agriculture

  • Reflective Greenhouse Cover - Black on one side and white on the other, our reflective plastic is engineered to provide your plants with maximum light. The white side of this green house cover reflects 90% light on the interior of your greenhouse, while the black side is UV Resistant..
  • Longevity - Our black and white poly greenhouse plastic cover is built to withstand the elements. Most black white poly film will degrade over time - not ours! Constructed with a UV inhibitor, our reflective greenhouse cover will stand up to the sun..
  • Strong and Durable - Farm Plastic Supply's green house plastic covers are manufactured for strength and durability. Our black white poly film roll comes in 6 mil thickness, ensuring that the polyethylene sheeting will not rip or tear, even after extended use..
  • Multiple Uses - This greenhouse plastic covering can be used for many different purposes. It can be installed with the white side facing out for light deprivation purposes, or the black side facing out to help control the temperature of your greenhouse..
  • Farm Plastic Supply Greenhouse Poly Film 6 mil - Gardening can be a tricky thing. Simplify your day and use our 90% reflective greenhouse cover! Farm Plastic Supply aims to offer premium farming, gardening, and agricult....
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