PATIENT INTERFACES

A mask seal for an interface for use in providing positive pressure respiratory therapy, the mask seal comprising:a seal body configured to be fully positioned lower than a bridge of a nose of a face of a user and to provide an exposed bridge of the nose of the user, the mask seal comprising a nasal region comprising a nasal opening, the mask seal comprising a first paddle on a first side of the nasal region and a second paddle on a second side of the nasal region, the first paddle configured to contact one side of the nose of the user and the second paddle configured to contact the other side of the nose of the user;the seal being configured to be provided in a range of sizes comprising:a first size configured to fit users having a first range of nasal widths and a first range of nasal lengths;a second size configured to fit users having a second range of nasal widths and a second range of nasal lengths;a third size configured to fit users having a third range of nasal widths and a third range of nasal lengths;a fourth size configured to fit users having a fourth range of nasal widths and a fourth range of nasal lengths;the first range of nasal widths and the second range of nasal widths are similar and the third range of nasal widths and the fourth range of nasal width are similar, the first range of nasal widths and the third range of nasal widths are different.