Breathe Better, Live Better! 🌬️ Each filter lasts up to 30 days, ensuring clean air. Enhances compressor performance for optimal air quality. Includes 6 filters, perfect for hassle-free replacements. Tailored for Philips Respironics InnoSpire systems. Replace filters when discolored or wet for best results. 30-day lifespan Optimizes airflow 6-pack convenience The NispiraCPAP Disposable Replacement Filter is designed for compatibility with Philips Respironics InnoSpire systems, ensuring optimal performance and air quality. Each pack contains 6 filters, each lasting up to 30 days, making maintenance easy and efficient.