Feature: 1. This universal respiratory headgear face mask is designed to fit all 22mm diameter tubes commonly found in home respiratory devices, ensuring compatibility and ease of use. 2. With its full-face coverage, this mask provides comprehensive protection and comfort, allowing users to breathe easily and comfortably. 3. The dual-layer liquid silicone seal not only offers a secure fit but also ensures a comfortable and snug seal, reducing air leaks and enhancing overall comfort. Specification: Features: This universal respiratory headgear face mask is designed to fit all 22mm diameter tubes commonly found in home respiratory devices, ensuring compatibility and ease of use. With its full-face coverage, this mask provides comprehensive protection and comfort, allowing users to breathe easily and comfortably. The dual-layer liquid silicone seal not only offers a secure fit but also ensures a comfortable and snug seal, reducing air leaks and enhancing overall comfort. The adjustable headband feature allows users to customize the fit according to their preferences, ensuring a personalized and secure wearing experience. Perfect for non-medical use, this mask is ideal for home respiratory therapy, providing convenience, comfort, and peace of mind for users seeking effective respiratory support. Specifications: Color: Transparent+Black Size: M, L (Optional) Package Size: Approx. 16*10*10cm/6.30*3.93*3.93in Package Weight: Approx. 250g/8.81oz Package List: 1 * Universal CPAP Mask Package List: 1 * Universal CPAP Mask