Bayliss XL Greenhouse Window Opener fleece and fleece bags Additional charges may apply for

Additional charges may apply for highlands and islands

these items cannot be delivered to the Isle of Wight

Fixings and Instructions are included for a simple self-assembly

Fleece Bags For Tropical And Delicate Plants

To keep fleece bags in good condition

Bayliss XL Greenhouse Window Opener fleece and fleece bags Additional charges may apply forThis 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