300mm*10m normal exhausted flexible air duct

300mm*10m PVC air duct Made of fire-retardant PVC material and helix steel wire One end with the steel collar , and the other end with the rope Easily to connect due to flexibleSchlep the air ducteasily wherever exhaust and inhalation the air in the field condition due tolight weightPrevent the workers from the suffocating by improving dust air into fresh air .Additional Information - OEM Service is available ,we have the rich experience R&D team . - Size : 300mm *10m, it is our normal style . - Colour : Orangeair ductand Black Scuff Strip - Packing : Neutral Carton Packing ,1pcs/ctn - Payment Term : 30% as the deposit , the rest 70% should be paid off before shipment or paid against the copy of B/L . We could negotiation about that before the confirmation and signature of the order . - MOQ : 10 pcs . - Delivery Time : 30 days after payment received Application of theair duct connected with portable ventilator Manhole ,tunnel and tank Ship building , under-ground project Welding and chemical lab or spot air ductDiameter300mm (12'')Standard length5 m Thickness0.3mm-0.6mmColorOrangeRange of Temperature- 15°c + 80°cWorking Pressure-1000Pa +5000PaPlastics Intention50 60 PHRElastic Intention≥80 kg/ m²Fire-Resistant GradeGrade B