Product description: av-2000? Facepiece ? totally interchangeable with scott’s full line of air-supplied, air-purifying and communications products ? tested and meets the requirements of niosh’s cbrn standards for the air-pak? 75? and air-pak? nXg7? scba’s ? includes a “double lip” design that provides positive pressure to the seal ? includes a wider, softer design that improves user comfort ? includes a thicker seal lip that adds strength to the seal structure ? includes a broader, deeper chin cup that allows greater contact ? other sizes available including small, large and x-large ? available head harnesses include Kevlar? and rubber |