Manual Film Roller is a hand-cranked ventilation device specially designed for greenhouses. It requires no electricity, is labor-saving, and enables precise control of film rolling to achieve ventilation, temperature regulation and dehumidification. It is widely used in vegetable greenhouses, flower greenhouses, breeding sheds and multi-span greenhouses.
Bi-directional self-locking, stable at any position without slipping
High-torque labor-saving drive, easy to operate by one person
Die-cast aluminum shell + galvanized anti-rust treatment, durable and anti-aging
Precision gears made of #45 steel, high strength and long service life
Easy installation, compatible with all kinds of greenhouse frames
No electricity, safer; hand-adjustable speed for precise ventilation; compact structure, easy maintenance; an essential labor-saving tool for farmers and greenhouse management.
Ventilation for side and top windows of single arch sheds, multi-span greenhouses, breeding sheds, flower sheds, seedling sheds, fruit and vegetable greenhouses.
