Amaircare 90-A-08WO-SO 1100 Snap-On HEPA Filter Off-White is Amaircare Original replacement HEPA Filter for Amaircare 1100 air purifier.
Amaircare 93-A-08ST00-SO Standard Annual Filter Kit is Amaircare Original replacement Filter for Amaircare 1100 air purifier.
Amaircare 93-A-08PL02-SO Plus Annual Filter Kit is Amaircare optional replacement Filter kit for Amaircare 1100 air purifier.