Dear Sir/Madam,
For a HVAC project in Egypt ,we appreciate to receive your quotation for the attached list of flexible ducts. Your quotation to include the followings: 1- Flexible ducts specifications: 1-1 Non – insulated flexible ducts 1-2 Construction: 5 layers; 2 layers aluminum (9 micron) and 3 layers polyester (12 micron)