Indoor fiber optic cable for building wiring Nonmetallic strength member, Tight tube PVC or LZSH Polyolefins, Indoor fiber optic cable for building wiringNonmetallic strength member, Tight tube PVC or LZSH Polyolefins, Indoor Cable for building wiring1.product Characteristics·Low transmission loss and dispersion·Small outer diameter and light, applicable to limited room, such as indoor equipment ...