Fisher & Paykel Eson 2 Nasal Cushion Cushion Size:Small This is the replacement AirPillow

This is the replacement AirPillow for the Fisher & Paykel Brevida Nasal Pillow CPAP Mask

This is the replacement Stretchwise Headgear for the Fisher & Paykel Pilairo Q Nasal Pillow CPAP Mask

it has a rectangular hook

Citric Acid

Replacement clips for the Fisher & Paykel Vitera Full Face Mask

Fisher & Paykel Eson 2 Nasal Cushion Cushion Size:Small This is the replacement AirPillowReplacement nasal cushion for the Fisher & Paykel Eson 2 nasal mask. This is the cushion only; full mask systems sold separately. Select from sizes small, medium and large. The cushion is recommended to be replaced every 6 months or as needed.