In recent months evidence of unlicensed appliances using Otter Easifix based sealing systems have been identified at the Hometech and Chicago Trade Shows.
HELP STAMP OUT INFRINGEMENT OF EASIFIX PATENTS
If the jug you are sourcing includes an Easifix type sealing system without an Otter based control then it is probable that the jug will infringe the Otter Easifix patents