Used to organize and contain multi-wire and hose runs, this corrugated polypropylene conduit tubing is very flexible and easy to install. It is ideal for transom to outboard motor hoses and wires, inboard engine wire harnesses, etc. The ABYC Electrical Standard E-11 applies to all boats with AC or DC systems. This product meets the ABYC standards for self-extiguishing properties to prevent the spread of otherwise localized fires. Available 1/4" - 2" Lengthwise slit makes it easy to slip over wires Black, or white w/ blue stripe Fire retardant/self-extinguishing polypropylene - meets UL 94 V-2 as per ABYC E-11.16.4.1.9 1 year warranty Sold by the foot; bulk quantities are sold by the coil (see table)