Rinse port for port-a-potty

[frankcfx]

I have a front bath 16' Deluxe and I have been wondering if anyone has used the vent line to rinse out the port o potty, I was going to abbreviate as PoP
It seems to me that you could remove the vent screen on the outside and put a hose for rinse water in and put the vent screen back in place when done.
Frank