Cleaner hose connector $ 8.14 100% new quality OOTDTY features: Made of high-quality PPC materials, environmentally friendly, non-toxic and hard. The above two connectors are a group, F is the inner diameter and EM is the outer diameter. Thickening treatment, reasonable transition, suitable for most CPAP machines. Lightweight, you can take it with you when you travel. Enjoy thorough cleaning at home or on the go. Cpap hose adapter only, not including other demonstration accessories in the picture. Technical specifications: Material: PC Size: 15mm / 0.59in x 22mm / 0.87in Quantity: 1 set