Same day shipping on most in stock items*
• Constructed from long-lasting stainless steel, brass and aluminum.
• Adjustable for different opening heights and mountable two different ways, taking up as little space as possible within your greenhouse.
• The volume-expanding wax within the hydraulic cylinder will endure any temperature (hot or freezing), working independently of the power grid for continuous temperature monitoring.
• Recommended for use in temperatures up to 140° F.
• 2 year manufacturer's warranty.
