3M Backpack BPK-01， for Versaflo TR-300 and Speedglas TR-300-SG PAPR<img src="http://ecx.images-amazon.com/images/I/41Ph91MALHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416I1-CdbqL.jpg" noproxy>