3M TR-3712N-40 Versaflo TR-3712N Replacement HE Filter for Use with TR-300 Series PAPR, Plastic, 1" x 1" x 1"
3M Versaflo TR-3712N Replacement HE Filter For Use With TR-300 Series PAPRMade in: United States1 X 1 X 1Item weight: 1MPN: TR-3712N-40Manufacturer: 3M Respiratory Protection Made in: United States Dimensions: 1 X 1 X 1