3/8" ID and 1/2" OD FEP tubing in 10 ft increments.  Up to the total length of 200 ft it will be sent as a continuous length.  Above approximately 200 ft it will be more than one section.  Shipping is free unless you choose to receive it on the spool in which case it will be $40 extra, regardless of total length.  The manufacturer's part number for this tubing is F018112FL