Maximum operating temperature: 150 deg. F. Brittle: -45 deg. F. Material: Flexible PVC compounds with rigid spiral PVC reinforcement. Hardness A. Durometer: 70. Spiral Helix reinforcement resists crushing and kinking, smooth interior for low friction and maximum flow, general suction and discharge application, vacuum, irrigation, liquid fertilizer lines, transfer or granular materials, well point, and agricultural applications. Bulk coils. 90 P.S.I maximum at 70 deg. F.