A tiny package that'll make a 25/75% mix of MK2 and MK3 sorters. No external warpers required on this one. Generally the FFF-05 model most will want to use.
Part of the "Fetchingly Fast Furnishment for Blueprint Barons" post and collection. Basic idea is to have a factory that not only makes the things at a good clip, but refills the ILS with replacements super fast to cut down on the wait time when you're slamming down blueprints left and right.