Leaks, overtightening, and worn edges can derail your CPAP routine. The ResMed AirFit F20 Cushion brings your full face mask back to form with a soft, durable silicone interface designed for a secure, comfortable seal. Built with ResMed’s InfinitySeal design, this replacement cushion adapts to a wide range of facial structures and helps maintain a steady seal across typical CPAP pressure settings. It covers both the nose and mouth to support full face therapy. Think of it as a fresh start for your nightly seal. Reliable seal: InfinitySeal design adapts to facial contours to reduce leaks. Softer comfort: Silicone cushion supports therapy without overtightening. Full face coverage: Designed to cover the nose and mouth for stable treatment. Easy refresh: Replace when wear, discomfort, or frequent tightening appears. Simple care: Daily wash with mild soap; air dry away from sunlight. Flexible sizing: Small and Medium for either F20 mask; Large for AirFit F20. Manufacturer Product Number: 63469, 63468, 63467