Some updates from a recent trip
CX716: Large Evian bottles, regular top ups after the crew realized that I was really thirsty
CX888: Large Evian bottles for the main service, small Evian bottles handed out post the main service (both for HKG-YVR, and YVR-JFK)
YVR Stop on 888: Small "Naya" bottles at the boarding gate.
CX841: Large Evian bottles for the main service, small Crystal Geyser handed out, but the later requests got Evian