The Philips Whisper Swivel II Exhalation Port is a revolutionary upgrade for older Respironics CPAP and BiPAP masks, offering unparalleled comfort and performance. Its unique swivel design grants increased freedom of movement, while the soft silicone cuff conforms to facial contours, eliminating leaks and skin irritations. The Whisper Technology significantly reduces exhalation noise, fostering a peaceful sleep environment. Made from durable materials, this port is built to last. Compatibility extends to ComfortFull, ComfortGel, ComfortGel Duet, ComfortGel Full Face, and ComfortLite II masks. By incorporating the Philips Whisper Swivel II Exhalation Port into your sleep therapy regimen, you'll experience enhanced comfort, reduced leaks, quieter exhalation, and improved overall therapeutic performance.