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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
these items cannot be delivered to the Isle of Wight
Additional charges may apply for highlands and islands
The bags are also available in cream
To keep fleece bags in good condition
Bayliss XL Greenhouse Window Opener fleece and fleece bags these items cannot be deliveredThis 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
