Connect your Scott Duraflow using a choice of 3M Breathing Tubes; SS-BT-23 Fixed PU Hose (2026226) or SS-BT-44 EPDM Rubber hose (5564453). Using the ADP-03 Adaptor you can then easily attach to the S-533 3M Versaflo S-Series High Durability Hood or S-333 3M Versaflo S-Series High Durability Headcover.