Shandong supply manufacturers of professional quality rain Grille - Special rain Grille Sales Hotline: 13573487358 rain Grille features: 1, the unique fixed blade designed a 45 ° angle with retaining function. 2, can be made to strengthen the embedded type or enhanced. 3, open the shutter blades and frame form was conducive to the installation and supporting the use of the filter. Rain Grille Applications: suitable for studio, hospitals, theaters, classrooms, concert halls, libraries, recreation hall, theater lounge, general offices, shops, hotels, restaurants, and gymnasium. To enable people to avoid interference noise and discomfort in a variety of environments, in addition to the neck according to the performance table to determine wind speed, but also need to consider the installation height and installation applications. Rain Grille is usually installed in the external walls for new air use, the blade is designed to unique shapes, waterproof splash into the interior features, usually installed in the outer wall for fresh air inlet use. Rain Grille for all required ventilation of the premises, easy installation and aesthetic appearance. Texas Hao Feng ventilation and air conditioning equipment products factory wholeheartedly welcome customers to negotiate Order!