The Universal 4-Point Headgear for Nasal CPAP Masks is a four-point strap system that connects two points to a forehead support and two points to the base of the mask frame. The Universal 4-Point Headgear for Nasal CPAP Masks is compatible with the following CPAP masks: ComfortGel Original Nasal CPAP Mask with Headgear ComfortGel Blue Nasal CPAP Mask with Headgear Profile Lite Gel Nasal CPAP Mask with Headgear ComfortClassic Nasal CPAP Mask with Headgear ComfortFusion Nasal CPAP Mask with Headgear ComfortFusion Nasal CPAP Mask with Headgear - FitPack Ultra Mirage™ II Nasal CPAP Mask with Headgear Mirage Activa™ Nasal CPAP Mask with Headgear Mirage Activa™ LT Nasal CPAP Mask with Headgear Mirage Micro™ Nasal CPAP Mask with Headgear Mirage™ SoftGel Nasal CPAP Mask with Headgear Mirage™ SoftGel Nasal CPAP Mask with Headgear - ConvertAble Pack FlexiFit HC405 Nasal CPAP Mask with Headgear FlexiFit HC406 Petite Nasal CPAP Mask with Headgear FlexiFit HC407 Nasal CPAP Mask with Headgear Zest Nasal CPAP Mask with Headgear Zest Q Nasal CPAP Mask with Headgear Lady Zest Q Nasal CPAP Mask with Headgear Eson™ Nasal CPAP Mask with Headgear The Universal 4-Point headgear has a layered design with the soft, comfortable moisture absorbing material against the face. The other layer is made of a tightly packed, open cell foam core that helps provide a cushioning feel. The geometric design with wider straps improves comfort by distributing forces over a greater area. What's Included 1 Replacement 4-Point Universal Headgear General Tips Section This headgear most closely resembles Respironics Premium Headgear with EZ Peel Tabs . HDG241,HDG240