Originally Posted by Grumpy
Is the what you see on line the overall frame size and not the insert.
This is the only one I could find on line or other brands with same detentions. Mine is 13 x 5.5 I have no idea what brand AC I have other then whisper something
Dometic Replacement Return Air Grill for Quick Cool Air Conditioners - Polar White
Replacement return air grill for the Dometic Quick Cool Lower Unit (model#'s DC3105935047 or DC3105958015 and DC3105007045 or DC3107867016. This part is associated with the C1 (VPSC1) (VPSM).
Color: Polar White
Dimensions: 14-1/8" x 7-5/8"
Weight: <1 lb.
Manufacturer: Dometic Corp.