The standard plastic handheld faucet is modified for use with Duotight fittings and EVABarrier draft tubing. The 6.5mm end piece can be paired with the 8mm x 6.5mm Duotight reducer to use with 8mm OD EVABarrier tubing.
Commonly called a "cobra tap" or "picnic faucet".
Duotight reducing fitting sold separately.