Profile: NTCDucting.Com Ltd. is a provider of flexible ducting and hose solutions. We manufacture and supply flexible ducting, industrial ducting, sewn ducting, high temperature ducting, silicone hoses, ducting supplies, and accessories. Our flexible ducting can be used in a wide range of industry applications including heating & air-conditioning, pharmaceutical, and exhaust gas applications. We also provide clamps and end fittings for our flexible ducting solutions. Spiraflex SL400 is one of our exhaust gas extraction hoses. Its features are listed as 2-ply smooth, strong construction, high temperature resistant, better vacuum than clipped products, and good long-term gas tight properties.