Greenhouse Sidewall Ventilation Hand Crank Winch - Easy Install Temperature Control Kit for Greenhouse Film Lifting - Orange - Perfect for Garden Ventilation & Climate Regulation

Anti-rust surface ensure our product can work in the condition of all weather. Not only help you to protect plants from rainning day, snowing day, also help to ventilate in the summer. Typical side roll model in the market, suitable for most greenhouse in the field, easy to add or replace the accessories by yourself, 4:1 Speed gear ratio, save your energy, save your time. Self locking, automatic brake holds , max roll length 393 FT(120m), roll height 4.92 FT(1.5m), water proof, shock proof. Easy set up, friendly to both starters and professionals . 0.86 or 0.98 Inch steel pipe both applicable , you can also use the same size pipe as film roll conduit. Package included : 1* Hand Crank, 1* stainless steel arm with resin handle packed by box. Availavle colors in Orange and Blue.

?【Usefull】KLLsmDesign greenhouse ventilation manual film roll kit is used for side ventilation of the greenhouse, creating a suitable temperature environment for the growth of plants, helping plants to grow vigorously, and increasing the yield of vegetables and other plants; it has a wide range of uses and is suitable for greenhouses, livestock and poultry houses, etc.

?[Performance Parameters] The film roll is aluminum alloy shell, weighs 4.63 pounds (2.1 kg); 41 Speed gear ratio；the maximum roll length 393 FT (120m), the maximum roll film height 4.92 FT (1.5m).

?[Wide Applicability] The drive shaft of the manual film reel is suitable for 3/4" (φ 26.7) EMT pipe 、 φ25X2 0.86 "(22mm) and 0.98"(25mm) steel pipe

?[Simple Installation] No complicated installation is required, just use screws to thread the steel pipe, and use it together with your film roll rod, ground anchor, film press card, and film line to form a complete set of ventilation film roll mechanism. Improve work efficiency, the temperature of the greenhouse is under your control!

?【Durable Quality】KLLsmDesign Film roll, Anti-rust surface ensure our product can work in the condition of all weather. Not only help you to protect plants from rainning day, snowing day, also help to ventilate in the summer.internal precision stainless steel gears covered firmly , it works smoothly and no need to add engine oil after long term used.it can be used for more than three years！