Newbie question... what type of coupler is this?

[bang0r]

Hi, All.
I find this coupler between the water filter and the dispenser leaking (see picture); and the OD measured 0.25 inch and 0.366 inch.
What is this part call?
Thanks in advance.

--Wyn

 

[Ryan Symons]

1/4 × 5/16 push to connect tubing coupling