for use with: Resmed Activa (M), Resmed Activa LT (M), Resmed Mirage Micro (M), Resmed Ultra Mirage II Ultra Std (M), Fisher Paykel Flexifit 405 (M/L), Fisher Paykel 407 Std (M), Fisher Paykel Zest/One Size (M/L), Roscoe DreamEasy and Std (M) 30/case