Bayliss XL Greenhouse Window Opener fleece and fleece bags Fleece Bags For Tropical And

Fleece Bags For Tropical And Delicate Plants

Garden fleece bags are designed to protect plants from freezing temperatures

Additional charges may apply for highlands and islands

How the Thermostat-Controlled Self-Ignition System Works

When temperatures drop

Bayliss XL Greenhouse Window Opener fleece and fleece bags Fleece Bags For Tropical AndThis Bayliss XL is an extremely reliable automatic vent opener. The opener is activated by a stainless steel cylinder containing a mineral wax which expands with heat; this pushes a piston causing the vent to open. As the temperature falls the wax contracts and a strong stainless steel spring closes the opener. For roof vents weighing up to 12lbs, approx. 30" x 24" (76cm x 61cm). Can be clamped onto aluminium greenhouses no need for any drilling. If a