3M Adflo PAPR Battery Promotional Kit, 35-1099-17, with Li Ion Battery, Smart Charger, HE Filter, Prefilters, 1 Kit EA/Case - Jendco Safety Supply
3M PAPR, Versaflo Standard Battery TR-630, For TR-600 Powered Air Purifying Respirator, 4 Hour Charge Time or Less, 1/Case: Amazon.com: Tools & Home Improvement