Ventilation Box

25962 ventilation box products are offered for sale by suppliers on Alibaba.com, of which hvac systems parts accounts for 3%, industrial fans accounts for 1%, and tower & pedestal fans accounts for 1%. A wide variety of ventilation box options are available to you, such as manufacturing plant, hotels and building material shops.You can also choose from oem, odm and obm ventilation box,as well as from steel, iron, and cast iron ventilation box, and whether ventilation box is wall fan, duct fan, or free standing.