3M 7283 Easy-Air Inhalation Valves 7800S Series Respirator Gas Mask – Pack of 10 3M 7283 Easy-Air Inhalation Valves 7800S Series Respirator Gas Mask – Pack of 10 Model: 7283 Diameter: 1.34 Inch (34 mm) – Approximately Part Number (Bag of 50): 34-7020-1062-9 Part Number (Box of 200): 70-0700-9197-3 Designed for 3M Full Facepiece Respirator 7800S Series   Condition: New This listing is for a plastic pack of 10 New Open Box inhalation valves. The packs of valves are pulled from previously sealed bags of 5 packs for this listing. Please view our photo set and contact us with any questions.CLICK BELOW FOR MORE ITEMSShippingBest OffersReturns