The 801 to 901 adapter from Vaprelife (vapre51) will allow you to use a 901 atty on the mini pipe. It also allows you to use a cartomizer!
This solves the 801 atty vs pipe atty problem for me, as I prefer a 901 atty!
This solves the 801 atty vs pipe atty problem for me, as I prefer a 901 atty!