Probably many places have them. Tiara RV in Elkhart, IN has Trekwood as a parts web site. Pricy but they have them. See link here: https://www.trekwood.com/products/65...urn-Vent-Beige
Beige, off white, polar white many colors possibly. Google search and compare images might help also.
Chris & Maria
2012 36RL, Full Body Paint, Dual Awning, Dual a/c, Splendide Combo, Fisher Paykel dishwasher, 6.5kW Onan, Goodyear G614's. 2015 F550 6.7l, 4X4, Lariat, CC, 176" WB, Long Box, B&W Companion