This is EVABarrier tubing with an 8mm OD (5/16 inch) and is compatible with Duotight and many other push in type fittings.
This tubing is sold by the foot so if you need 3 feet enter 3 in for the quantity.
Please note: We will be closed this coming Canada Day weekend: July 1st to the 4th. Orders placed for local pickup during this time can be picked up on Tuesday evening (July 5th). Orders placed that require shipping will be shipped out on Tuesday the 5th. Sorry for any inconvenience.