I do not understand why IKEA makes it so hard to attach a FÖRNUFTIG purifier to a wall or under a table. I bought one to attach it under my son's room table, which fit perfectly, but putting four screw holes into the FÖRNUFTIG was a pain in the ass. It would make those things so much more versatile if scrwholew were already perpared.
I'm a bit confused by this comment. The assembly instructions[0] clearly show screw holes on the back of the unit and it appears to even include a template for putting the screw holes into the wall you're mounting it to. It doesn't look like the holes would be suitable for mounting under a table though, they'd probably prefer that you replace the table with a STARKVIND.