SAFE MATERIALS: Made of high quality plastic material, firm, eco friendly and practical, wearresistant._x000D_ REGULAR REPLACEMENT: Regular changing the elbow Keep your nasal guard with good performance, your ventilator nasal and hose cleaner after regular replacement_x000D_ EASY TO USE: It is well made simple and reasonable, light weight, and small in size. Easy to connect and use with good performance_x000D_ DETACHABLE DESIGN: It has an elbow shape that can guide the hose to where it is needed so that it won t get in the way. Detachable, easy to clean, After regular replacement, the nasal mask and hose of your ventilator will be cleaner_x000D_ EASY TO CARRY: Nasal guard an important and practical accessory for breathing machine. Light weight, small size, easy to store and carry_x000D_ _x000D_ Material: plastic_x000D_ colour: Transparent white_x000D_ _x000D_ Package Contents: _x000D_ 1 x elbow adapter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_