Aluminum alloy aluminum vent outlet prices _ _ _ Sheng Lu Baotou aluminum outlet air conditioning ..

Also known as waterproof rain Grille Grille blade designed a unique shape, it prevents water splashing into the interior features, exterior wall vents generally for installation. Rain Grille for long-term ventilation requirements or other public room, which side of the frame by the band gullies with rain dripping leaves and frame components. The Grille at the time of pouring rain, not only can effectively prevent rainwater into the interior, but in the Grille of the windward side will not form a curtain, thus ensuring the normal design ventilation requirements. Our all products are factory production for direct marketing, can be customized in any size, color, customers can also spray requirements. Air-conditioned rooms from detailed vertical louvers vent from the vertical louvers auto exhaust air has a positive pressure. Under normal circumstances, by air louvers weight naturally drooping, cut off the exchange of indoor and outdoor air, when the indoor air pressure is greater than the outside air pressure, air will exhaust louvers blowing outward, whereas indoor air pressure is less than the outdoor air pressure, air flow can not reverse flow into the room, the air one-way check effect.