Ultra Fine Disposable Replacement Filters For Cpap Machines. Features: THE PERFECT FIT - Great News: for Your Peace of Mind, the Size of CPAP Filters Fully Fits Most CPAP Machines, Including All S9 Series, AirSense AirCurve AirStart Series CPAP BiPAPs. SUPER SAFE EASY BREEZY TO USE - Each Filter for CPAP Goes Beyond Filtering Harmful Mini Contaminants. MADE of High-quality Materials, Our Hypoallergenic Filters Are Extremely Safe and Bisphenol-A Free. You'll Breathe Easier Than Ever Without Running the Risk of Exposing Your Lungs to Any Type of Allergies. No Chemical Smells Either. Just Beautifully Designed Filters That Are Extremely Easy to Change, Replace or Dispose Of. GREAT VALUE PACK - MORE BANG FOR YOUR BUCK - Buying One or Two Disposable CPAP Filters at a Time is a Waste of Time and Money. Plus, Why Risk Running out of Filters All the Time For a Fraction of the Cost, We Help You Live a Healthier Life AND Save More Money Along the Way. Upgrade Your CPAP Treatment Order Our Super Convenient Pack of 30 Ultrafine CPAP Air Filters So You Can Replace Them As Often As You Wish. Time to Stock Up Save Up EASY USE - Fits Most Machines, Just Replace Filter Every 3-4 Weeks to Ensure a Restless, Healthy Sleep. Specifications: Colour: White Material: Filter Sponge Size:5.3*3.5cm Package Contents: 20 X Filters . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.