Refill or exchange for 2.6kg CO2 cylinder.
If you want to keep your cylinder, then you have to drop the cylinder first, and take 2-3 days for refill;
If you can accept swap with another refilled cylinder, then you can pay and go.
Note: For click & Collect running, we shall put refilled cylinder into locker box first, please put the empty cylinder back into same locker box when you take the refilled one.