We do have the ceiling garnish you are looking for that fits your MaxxFan Deluxe Roof Vent # MA00-06200K.
What you need is the part you mentioned, the Ceiling Garnish for MaxxAir Maxxfan RV Roof Vent - White # MA54FR.
We assign our own part numbers, but this is the exact 10-20211 garnish you were asking about. view full answer...