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Willmall breather vent plugs equalise pressure inside sealed enclosures while limiting the entry of moisture and dust, protecting seals and internal equipment.
It balances pressure inside a sealed enclosure as temperature changes, while limiting moisture and dust from entering through the vent.
Without equalisation, temperature change can push and pull on the seals or draw in moisture, so the vent reduces stress and condensation.
It is used on outdoor control boxes, lighting housings, distribution cabinets, and equipment exposed to weather.
It screws or pushes into a standard entry hole in the enclosure wall, matched to the thread size of the housing.
The vent is designed to limit water ingress through the opening while allowing air flow, appropriate for rated enclosure sealing.
