2007 Surveyor 291 water filter placement

[campfun]

hey there. i need help. i cant find my water filter. i looked under false floor in bathroom cabinet . found the pump but no filter. where do u think this thing can be hiding? i followed all water lines and cant seem to find it..
it tells me it has one... any help or pics appreciated.. thanks

[Goomph]

Do you have a pantry like thing next to the stove ? left of the slideout ? The bottom portion of that is held by 4 screws, that is where mine is.