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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
5ft × 2ft 7in)
Apply to already moist compost and measure dilutions carefully to reduce the risk of overfeeding
You will need to pre-drill the holes prior to assembly
allotment holders and anyone overwintering plant in a greenhouse or outbuilding
Bayliss MK 7 Vent Opener Forest Greenhouses 5ft × 2ft 7in)Suitable for use on nearly all greenhouses this Bayliss MK7 is an extremely reliable, British made, automatic vent opener. The bayliss Mk7 vent opener is operated 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. Bayliss guarantee their openers for 2 years but if anything should
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