
Description
Verplas Slate Ventilator
Product Part Number: RVSVGREY
Slate vent suitable for natural and fiber slates (600mm x 300mm & 500mm x 250mm)
Ideal for heat recovery and other ventilation systems using up to 150mm ducting from MVHR unit
Provides 20,000mm² (20k) of air flow per unit
Slate grey cap blends in with most man-made or natural slates
Frequently Asked Questions
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What are external air valves used for?
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What is the difference between an internal and external air valve?
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Do external air valves need insect mesh?