51138-08742 3M"halation Valve,7282 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: MMM5113808742 Qty On Cart Features 3M Inhalation Valve 7282 200/Case. Replacement part for 3M Full Facepiece Respirator 7800S. Features Back Features3M Inhalation Valve 7282 200/Case. Replacement part for 3M Full Facepiece Respirator 7800S.