Generic Brand Heavy Duty Plastic Clip. Compatible with Resmed Ultra Mirage and Resmed Ultra Mirage II masks. Connects and Secures the cushion to the mask frame. This is the Nasal cushion clip only, NOT FOR FULL FACE MASK. This cushion clip is a generic Cushion Clip that secures the nasal cusion to the mask, compatible with ResMed Ultra Mirage and Ultra Mirage II NASAL Masks. It DOES NOT fit FULL MACE MASKS. This Generic replacement clip compares to ResMed Item 16563. This Clip is NOT mfg. by ResMed and is not representative of nor is affiliated with ResMed Brand in any way.