The unique features of the Fisher & Paykel Eson Nasal CPAP Mask offer a quick, comfortable fit. Multiple points of adjustment enable a customizable fit that's easy to maintain. Available in three different sizes, the Eson provides a small, lightweight option for nasal mask users. Features and Benefits of the Eson Nasal CPAP Mask by Fisher & Paykel Roll - Fit Seal - The Roll - Fit Seal is a technology developed and trademarked by Fisher & Paykel healthcare. Roll - Fit Seal is where the seal rolls back and forth around your nose eliminating pressure from the bridge to give you a comfortable seal. Ergo - Fit HeadgearErgoFit Headgear is a breathable headgear that was designed with one thing in mind; ease of use. Every aspect of the ergofit headgear has the CPAP user in mind. The Ergo - Fit headgear has been designed to self-locate high on the back of your head. This self-locate fit allows for more movement up and down and side to side without compromising the Roll - Fit Seal of the mask. This self-locate feature along with embedded VELCRO makes the Eson a great simple mask. Eson Easy Frame - The Frame of the Eson called the easy frame, is a one size fit's all frame. The Eson comes in three sizes of cushions but the frame is designed to adjust to all sizes. The cushions click in effortlessly in the easy frame. The easy frame is so light but yet has not compromised it's durability. Important Note: Do not confuse this Fisher & Paykel Eson mask with the Fisher & Paykel Eson 2 mask. INCLUDED WITH THIS PURCHASE 1x Fisher & Paykel Eson Cushion Seal - Small, Medium or Large 1x Fisher & Paykel Eson Easy Frame with diffuser filter 1x Fisher & Paykel Eson Ergo - Fit Headgear with clips OFFICIAL GUIDES Fisher & Paykel Eson Nasal CPAP Mask Brochure Fisher & Paykel Eson Nasal CPAP Mask Fitting Guide Fisher & Paykel Eson Disinfection Guide Fisher & Paykel Eson Fitting Template PRODUCT INFORMATION MANUFACTURER:Fisher & Paykel IN THE PACKAGE:Eson CPAP & Bi - PAP Mask with Roll - Fit Nasal Seal and Ergo Headgear. Review manufacturer's documentation for full details. INTENDED USE:The F&P Eson Nasal Mask is intended to be used by individuals who have been diagnosed by a physician as requiring CPAP or Bi-Level Ventilator treatment. The F&P Eson Nasal Mask is intended for Single Patient Adult Use in the home and Multiple Patient Adult Use in the hospital or other clinical setting where proper disinfection of the device can occur between patient uses. PHYSICAL SPECIFICATIONS AVAILABLE SIZE(S):Small, Medium, Large MATERIALS:Not Made with Natural Rubber Latex MASK PERFORMANCE TYPE:Nasal Cushion Mask PRESSURE LEVEL:S4-20 CM H2O (Recommended)