Aluminum piping with a raw, T6060 finish. 3 millimeter wall thickness makes it suitable for welding and constructing own applications. The pipe would benefit from either being polished or painted after the welds have been completed. All in order to prevent the pipe aluminum from oxidating. To ensure your hose from not popping off, making a nice and secure rounding, a hose joiner can be cut in half and welded on. Fitting hose joiner you can fins under Accessories in the bottom of this page. Very high quality!

These bends have a longer center radius, which is to prefer if the space allows. Bends with a longer center radius have better airflow properties than bends with a shorter radius.