Xiamen Winner Medical strives to manufacture high quality products for healthcare providers and patients. The products are simple to use, and intuitive in design. This creates peace of mind for healthcare providers, and a faster approach to patient care. Item NO.: TW8187B Payment: 30% in advance, balance before shipment Product Origin: China Color: transparent white Shipping Port: mainly Xiamen, any port in China Lead Timeï¼? 30days NIV Mask Silicone for Adult The CPAP masks offer an easy fit. The soft, ergo ­nomically shaped face seal and forehead cushion make the mask particularly comfortable to wear. Product Features Comfortable fit thanks to silicone cushion Reduced risk of cross-contamination due to single patient use Different sizes for a simple mask fitting process Specification 1. Material PC for hard plastic components, silicone for cushion and valve. 2. Dimension 22mmOD, according to IS0 5356-1 3. Operation temperature: -18 ~ 40 4. Storage relative humidity: < 85% 5. Storage temperature: -20 ~ 55 6. Validity: 2 years Product Description Non-vented or vented available, silicone mask shell with silicone cushion, forehead support, rotational connector, adjustable head strap Silicone material provides more comfortable experience for patients and suitable for stereoscopic face of western people. Size:  S/M/L