Below is a photo of the Chart that is included on the insert that is placed in every package of the Rusty Stumps HVAC Ductwork Fittings. It's real easy to use.
On each package of the fittings the label gives you a clue to the following information.
Browns Bakery Kit
Availabe in HO & O scales
Kelley's Boarding House
Available in HO scale Only
Roof Top Vent
Available in HO, S & O scales
Rusty Stumps Scale Models sold our laser cut detail products to www.rail-scale-models.com You can go to this website to purchase the Shingles, Door & Windows as well as the other such products we offered in the past.