You are purchasing this Parker 4.00J4MA3U14A 8.00 SER WW692486-A 250 PSI Series Pneumatic Cylinder 250 psi, This Parker cylinder was replacement and rebuilt for equipment and removed from SHELF after Facility closed. You have 14 day warranty from date of delivery if unit fails I will refund. No refund for wrong part ordered, you must contact me within 14 days of arrival based on USPS delivery! Buyer pays 39 for USPS delivery, if you need overnight I can help just contact me as I was Plant Engineer for many years but you must cover cost. Overseas okay through Shipping, no returns for Overseas shipments SORRY, to expensive to cover shipping. I am a disabled veterans business and could not survive without your patronage!!!!! Review my feedback I promise what I deliver.