ID: 1/2" (13mm), tolerance is ±0.5mm; OD: 0.78" (20mm), tolerance is ±0.8mm;Length: 6 feet
Working Pressure: 100psi; Burst Pressure: 300psi; Temperature Range: -40°F to 257°F; Min Bending Radius: 128mm. Meets and exceeds SAE 20R3 Standard Wall Class D-2 requirements
Compatible with coolant, water, antifreeze, etc
Made of EPDM rubber
Suitable for water heater, engine cooling system, radiator and overflow water tank connection