Aquamerik heavy duty PVC white pipes outperform metal pipes and even those made of polymers, for most applications. PVC is highly resistant to corrosion and has thermal expansion coefficients below those of several other polymers.
Sold by the foot, you can easily choose the length needed when ready to order. A simple application of solvent cement guarantees solid joints. No special equipment is required. Warning, PVC pipes SCH 40/80 should not be used with air or compressed gas.
Also available: SCH40 gray