Comfort gel Blue Nasal Replacement CUSHION/FLAP (SMALL)</br></br>Product Description</br></br>This is the replacement gel cushion and SST flap for use with ComfortGel Nasal CPAP Masks. ?? Four sizes available for comfortable fit: petite?? small?? medium?? large. ?? Manufactured by Philips Respironics.</br><br/>http://www.amazon.com/gp/product/B007N8TZ1M