As you don't seem to be getting an answer on here, have you tried contacting Outwell direct. There is a "Contact us" button at the bottom of their website.
DaveS1
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets