Liquid Tight Flexible Metal Conduit (LFMC, LSZH) - PNKLT series, the feature of low smoke and zero halogen is efficient to delay fire expansion when having combustion. Low toxicity and low smoke benefit LSZH Liquid Tight Metal Flexible Conduit to be used in indoor or closed spaces. It is also the most ideal solution for other environments with severe conditions such as subways, tunnels, hospital, clean room, shipbuilding, elevator/escalator, etc.