My question comes because “according to Dan” includes both the following quotes:
which seems to indicate you could uncouple the filter and use the vent hose and
(as well as your quote above) which seems to indicate you can’t…hence asking for clarification.
If installing the filter means I can never use the vent hose again without completely removing the GF filter - I’m gonna switch to the Compact. If you can uncouple the GF filter, but leave it underneath the 
until you need it again, I’m back on board for the GF filter 