The smooth interior is said to ensure free movement of all wires, while the corrugated exterior resists damage from oils, solvents, dust, and debris. Sizes range from 0.25 to 2 in. in diameter. Applications include pumps, motors, HVAC systems, machine tools, electrical housings and cabinetry, and automation.

Heyco Products Inc.,
1800 Industrial Way N,
Toms River, NJ 08755,
(732) 286-4336,