• Reinforced PVC tubing • Brass fittings with nickel-plated finish • factory-crimped brass ferrules • Operating temperature:40°F to 180°F (4°C to 82°C), • Burst pressure : 250 PSI, ±5 PSI • 100% pressure and leak tested • Safe for use as hot or cold water supply line to faucets in kitchens and bathrooms • Certification: cUPC NSF •5-year limited warranty