Rubberized Thermoplastic. Class B oil resistance. Excellent flexibility. Resistance to weather, aging and abrasion. Recommended for golf courses, commercial uses, construction, industrial plants, irrigation supply lines, H.D. Washdown, agricultural & farm maintenance. 5/8″ I.D. size available in black or green, 25′, 12′, and 13′ standard length. Coupled male x female brass fittings on each end. For use in washdown service on concrete trucks.