The X-plore® 4790 (conforming to EN 140) is an universal half mask for use with gas, particle and combined filters. - Perfect fit on different face sizes and shapes. - High quality, skinfriendly materials. - Easy to don and remove, no pressure points while wearing, no slipping. - High level of reliability due to tight fit (similar to a full face mask). - Extensive range of filters (Rd91-size) for varied applications. The X-plore® 4790 (conforming to EN 140) is an universal half mask for use with gas, particle and combined filters. - Perfect fit on different face sizes and shapes. - High quality, skinfriendly materials. - Easy to don and remove, no pressure points while wearing, no slipping. - High level of reliability due to tight fit (similar to a full face mask). - Extensive range of filters (Rd91-size) for varied applications.