Transair 1/2" (16.5 mm) Rigid Aluminum Pipe, 10' (3m) in length & BLUE - Lightweight with QUALICOAT-certified surface finish. Suitable for compressed air, vacuum, nitrogen, & argon and conforms to EN 755.2, EN 755.8 and EN 573.3 standards. NOTE: This product can only be purchased in quantities of 10. Also, freight charges for this product will be calculated after order is placed, and we will contact you with the amount. Please call if freight quote is desired before ordering.