Oxford 340gsm Flame Retardant Flexible PVC Air Duct Vinyl Fabric uses 340g/m2 of high-quality PVC coated fabric, which has fire resistance and meets strict fire standards, and can effectively resist the spread of fire. The material is flexible and durable, suitable for occasions that require frequent bending or high-intensity use, and has strong abrasion resistance. Weather resistance and UV resistance also make it suitable for a variety of indoor and outdoor environments. Oxford 340gsm Flame Retardant Flexible PVC Air Duct Vinyl Fabric is widely used in air conditioning, ventilation and exhaust systems.