Kimberly Bay MILLWORK Slab Doors 18-in x 80-in White 2-panel Square Solid Core Prefinished Pine Wood Slab Door in the Slab Doors department at Lowes.com
36x80 in Exterior Mahogany Door Slab with 4 lites
Masonite Traditional 24-in x 80-in Natural Flush Hollow Core Unfinished Veneer Slab Door in the Slab Doors department at Lowes.com
Amazon.com: 6-Panel Door Interior Slab, Solid Pine (24x80) Natural Wood : Tools & Home Improvement
Paneled Hollow Core MDF Interior Door Slab – CalHome
Amazon.com: ROYMELO 36 x 84 inch Sliding Barn Wood Door Slab with 6.6ft Hardware Kit, Requires Simple DIY Assembly : Tools & Home Improvement
Steel Entry Door Slab (6 Panel) – Pease Doors: The Door Store