What are the inverts of your *spigot, *discreet gully or *gully outlets? October 15, 2019 10:04 Updated Either email a full brochure and refer them to the relevant pages showing the assembly inverts, or email the individual pages. To view full product details please visit www.aco.co.uk Related articles I need channels for washing down in a food production factory, so which outlet/gully type would you recommend? Do they have a foul air trap? How far away from the wall would you recommend for the channel? Comments 0 comments Please sign in to leave a comment.