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High-quality pulleys, high hardness, smooth sliding
Use high quality galvanized steel, easy installation
Anti-corrosion and anti-rust
Suitable for all greenhouse side ventilation
This is Electric Film Roller Machine Climbing Device. It can climb up or down as the film roller machine is moving up or down. also called the roll up motor climber
The center square opening with rolling bearings will fit with 3/4 inch electrical conduit tube. This item is located in Houston.
It can be shipped out immediately and you can receive it in 1 week.
