ResMed F20 Airfit Silicone Cushion Replacement

Replacement CPAP Cushion for AirFit F20 ResMed Full Face CPAP Masks.
(THIS IS FOR THE CUSHION ONLY & NOT THE MASK)
This cushion fits this mask below:
ITEM#: 63467 SMALL
ITEM#: 63468 MEDIUM
ITEM#: 63469 LARGE