• Clearance Items

• Greenhouses
• Polyethylene & Polycarbonate
• Irrigation
• Greenhouse Accessories
• Shade Cloth
• Ground Cover
• Heating
• Ventilation
• Cooling
• Greenhouse Benches
• Carts, Wagons & Trailers
• Pots, Containers & Trays
• Chemicals
• Fertilizer & Injectors
• Bamboo Products
• Row Covers and Plastic Mulch
• Container Storage Structures
• Greenhouse Books
• Thermostats & Controllers
• Propagation Supplies

Variable (Manual) Speed Controls

Variable or Manual Speed Controllers allow you to control the fans in your greenhouse manually. Our manual controllers can be used on most of our single speed fans to adjust air flow from 20% to 100% of fan output capacity. They also have the ability to turn the fan completely off. Supplied in water tight electrical enclosure with approved connectors.

©2010 Greenhouse World | Contact Us | About Us | Privacy Policy