Twin Half Mask Respirator. A premium half mask, offering maximum protection and comfort. An extra wide sealing surface gives unparalleled comfort and fit. Low resistance exhalation valve for easy breathing. Durable thermoplastic rubber mask and wide adjustable elastic strap make for a perfect fit. Fully adjustable 4-point cradle suspension ensuring an effective fit. Low profile angular filter design for minimal visual impairment. Manufactured from hypo-allergenic medical grade PVC.