List of featured suppliers of SMOKE VENTILATORS NSHEVs (Natural Smoke and Heat Exhaust Vents) Double Leaf on Building Products Index
Smoke ventilators refer to an apparatus designed to exhaust fumes and gases resulting from fires or heat sources. NSHEVs or natural smoke and heat exhaust vents are a type of smoke ventilator that uses natural ventilation principles to aid in the removal of smoke from a building's interior. Double leaf refers to a door or gate that consists of two panels or leaves, which can be opened and closed independently.