Meccanixity Pneumatic Tubing Pipe, 4Mmx2.5Mm 525Ft 160 Meters Pu Air Line Tubing Product Features The pneumatic tubing pipe is made of PU materials, with high elasticity and flexibility. Suitable for air, water, lubricants, instrument lines, irrigation control systems, textile mills, ship fuel delivery pipes, vacuum systems, air conditioning systems, hydraulic brake systems, and other industries. Length: 160 meters / 525 feet; Outer Diameter: 4mm / 0.16 inch; Inner Diameter: 2.5mm / 0.1 inch. PU tube pipe is designed with excellent flexibility and multiple folds without traces, made of polyurethane with a smooth inner wall, low coefficient of friction, and smooth flow of air or fluid. The flexible tubes can be bent in various shapes without other tools and can keep stable sizes with low permeability. All the sizes are manual measurements, most carbon fiber tubes will have an error of +/- 0.1 inch. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!