KLLsmDesign Upgrade Greenhouse Sidewall Manual Hand Crank Winch for Greenhouse Ventilation?Greenhouse Film Raising/lowering Hand Crank Device, Easy to Adjust The Greenhouse Temperature

Price: $58.89
Product prices and availability are accurate as of 2021-07-29 02:36:41 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
Availability: In Stock
In Stock.
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Product Features

The ultimate greenhouse ventilation kit to help your greenhouse flourish. Create a better environment for plants. Increase plants production Max. Roll Length: 295FT (90M). 4:1 Speed gear ratio for easy cranking. Able to crank a 50’ length of schedule 40 pipe with no problem or strain Easy installation, simple operation and reliable self-locking performance. Automatic brake holds sidewall in place. Reduce the labor costs with an precise pulley, anti-aging easy to roll up system Winch with handle and screws only; does not include 3/4" EMT guide post. Stainless steel handles, Full plastic resin casing,long anti corrosion time Drive shaft fits perfectly inside 3/4" EMT conduit; attachment screws included