x12 Model Owner's Manuals September 30, 2022 16:48 Owner's Manual User Guide May 2014 to Jan 2017 May 2014 to Jan 2017 Replacement Cover August 2022 to Present x12 mattress 05-2014 to 01-2017.pdf (600 KB) x12 User Guide.pdf (2 MB) x12 August 2022 disassemble and reassemble instructions.pdf (2 MB)