Fangrui Product Details Enhanced Nighttime Security: Our Upgraded Magnetic Headgear Clips Stronger Magnets And Improved Positioning, Specifically Engineered To Prevent Detachment During Sleep. This Ensures A Secure Fit Throughout The Night, Providing An Uninterrupted And Comfortable Therapy Experience.universally Compatible With For Masks: Designed To Seamlessly Fit For , N20, F30, F30i, And F40 Masks, These Clips Are Replacements For Lost Or Worn-out Clips. There's No Need For A Complete Headgear Overhaul When You Can Simply What's Needed.quick And Easy Mask Disconnection: Featuring A Quick-release Design, These Clips Allow You To Effortlessly Detach Your Mask From The Headgear. Ideal For Simplifying Nightly Routines, Making Adjustments, Or Taking Brief Pauses- All Without Any Hassle.simple, Tool-free Installation: Attach These Clips Quickly And Securely To Your Headgear's Lower Straps And Snap Them Onto Your Mask Frame. Adjust The Strap Tightness To Achieve A Comfortable Fit, All Without The Need For Additional Tools Or Complicated Setups.color:white & Bluematerial:plasticpackage Contents:4 Pairs * Headgear Clipsonly The Above Package Content, Other Products Are Not Included.note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.