> Bus Depot doesn't mention what parts are
>  included, or if it includes the screen and cover.

Our kit includes everything shown on this diagram:

http://busdepot.com/details/skylight.jsp

You can also order the individual parts from the same page.

At the present time both tan and gray are available (with knobs to match).
However, availability is sometimes a bit spotty.  I have seen intermittent
backorders, although so far we have always been able to fill them without
too long a delay.

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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Toll-Free for Orders by PART # :  1-866-BUS-DEPOT