This is a 3 Pack of BRAND NEW OEM Aprilaire Air Cleaner Media Filtesr.  Aprilaire part # 201 and it works in Aprilaire Spaceguard cleaners 2200 & 2250.  This is an OEM Replacement Media Filter- Not a cheap knockoff.  Thanks for looking and good luck!

This Item is used in Aprilaire Air Cleaner Models: 2200, 2250