A CPAP nasal mask – M size (Deckmount) is a medical device used in continuous positive airway pressure (CPAP) therapy to treat patients with sleep apnea or other respiratory conditions. The medium-sized mask is designed to fit comfortably over the nose, creating a secure seal to deliver a steady flow of pressurized air from the CPAP machine. The deckmount design allows for stable attachment and positioning, ensuring minimal air leaks and enhanced therapy effectiveness. Made from soft, medical-grade silicone and lightweight materials, the mask provides comfort during sleep while reducing pressure points and skin irritation. Its adjustable straps and ergonomic design help maintain proper fit throughout the night. This CPAP nasal mask improves breathing, promotes restful sleep, and supports overall respiratory health for patients requiring overnight CPAP therapy.