The Air Systems 8 inch ducting with cuffs provides user the ability to greatly extend the reach of the ventilation systems and ensure their source air is free of polutants, contamination, or hazardous conditions. Manufactured from vinyl polyester, the ducting is internally constructed of steel reinforced wire hopps. A 6 inch long attachment cuff (8 3/8 inch in diameter) with adjustable belt straps on both ends allows for quick and easy attachment to blowers or couplers. The Explosion Proof series contains a built in grounding wire that runs the length of the ducting and cand can be connected to the rest of the ventilation system to ensure a 100% intrinsically safe system.