air hose may use in the staircase with ... Features & Specification of Basic Model Commodity: PA tube,Nylon hose,air hoseSize: made of all sizeDate of delivery : ... , including dilute acids and alkalis. Manufactured from type 12, nylon tube can be used in pneumatic control systems, fuel ... from our Technical Sales Office. All our range of tube sizes are available in Natural, Black, Red, Blue, ...