Greenhouse Manual Roll-Up Window Opener - Roof & Sidewall Ventilation Equipment for Agricultural, Ranch & Garden Use | Durable Film Roll-Up Device for Optimal Airflow Control
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Description
The side wall/roof manual crank winch can help ventilate the sides and roof of your greenhouse and create a better environment for plants.Features:1. Easy to install, easy to use, save manpower, very suitable for commercial and family greenhouses2. The greenhouse ventilation device is applicable even if it is used in a greenhouse with a length of 120m or more. This greenhouse roll-up device can easily open the film on the roof or side wall.3. The greenhouse film roll-up device is equipped with an automatic locking function, which can be stopped at any position without slipping off.specification:Name: Greenhouse Ventilation EquipmentInstallation location: side wall installation, roof installationLength of film that can be rolled up:Hand-cranked side wall: within 200mChain side wall/roof: within 160mWeight: 2.5kg/3.5kg/3.7kgNote: Only one ventilation device needs to be installed on one side of the greenhouseDelivery content: greenhouse ventilation equipment × 1The product will arrive within 15-30 days, if the package is still not delivered within 30 days, please contact us in time.
Features
Manual winding device The greenhouse film winding device is easy to use. When the temperature of the greenhouse rises, the winder can quickly and effectively release the wind, thereby reducing the temperature of the greenhouse in time, and effectively reducing the damage to plants and animals caused by the excessively high temperature of the greenhouse.
Wide range of uses greenhouse ventilation equipment is used to open and close the side curtains and top curtains of plastic film greenhouses. It is an ideal choice for greenhouse ventilation and is widely used in solar greenhouses, breeding greenhouses, flower greenhouses, connected membrane greenhouses, fruit and vegetable greenhouses.
More details (1) Aluminum housing (2) Precision inner core (3) Non-slip handle (4) Self-locking device (5) Pulley design (6) 45# International Steel (7) Double protection (8) Side wall installation.
Safety in use The agricultural film take-up device is equipped with a self-locking function. In the process of opening and closing the machine, the manual winding device can be stopped and started at any position without any auxiliary device.
High-quality material The greenhouse hand winch is made of cast aluminum, and is cast by a dense die-casting one-time molding process, with a long service life.
