FLEXIBLE TYPE; THERMOPLASTIC PVC MATERIAL; GRAY COLOR; 50 FT; 1.585 TO 1.62 INCH INNER DIAMETER; 2.045 TO 2.08 INCH OUTER DIAMETER; UL, CSA C22.2 APPROVAL; NEC APPLICABLE STANDARD; CONSTANT FLEXING/MOVEMENT APPLICATION; -20 TO 60 DEG C TEMPERATURE RATING