This. It's the Gain Utility, it's got a box you can tick to make the channel mono. You want it at the front of your effects chain however not he end, this because any effects running before you switch the channel to mono are still running as stereo effects (which can lead to strange issues depending which effects you've got running.)
Rather suprised Albino doesn't have an option to open as mono though, lots of other plugs do. Weird.