Check the listing for details. Transfill / Homefill to CGA-540 & CGA-870 Oxygen Tank w/36" 3,000 PSI. Condition: New. Listed at 82.95 USD. Homefill Machine Special Filling Transfill Adaptor -Filling your own home produced oxygen into standard oxygen tanks - Can fill CGA540 Male threaded Oxygen Tanks and/or CGA870 Pin Indexed Yoke Style Oxygen Tanks -Good for filling medical grade oxygen and welding and brazing grade oxygen. -3000PSI Oxygen Hose, Pressure Gauge, CGA-540 & CGA-870 Yoke x Special Homefill adaptor 36" Oxygen transfill assembly allows you to fill you own oxygen H tanks (CGA-540 or CGA-870) from your Homefill unit. One end of the device plugs into the port where you would normally plug in your special Homefill oxygen tank and the other end attaches to an H tank (or any CGA-540 tank) and/or small medical Cylinder (CGA-870) with the 36" hose. IMPORTANT ******* CLEANED FOR OXYGEN SERVICE - DETAILED INSTRUCTIONS INCLUDED - BE SURE TO READ AND FOLLOW ALL INSTRUCTIONS TO SAFELY TRANFILL OXYGEN - DO NOT USE OIL OR CONTAMINATE ANY PARTS TO BE USED IN OXYGEN - RISK OF SERIOUS INJURY IF DIRECTIONS NOT FOLLOWED PRECISELY.*****Homefill Machine Special Filling Transfill Adaptor -Filling your own home produced oxygen into standard oxygen tanks - Can fill CGA540 Male threaded Oxygen Tanks and/or CGA870 Pin Indexed Yoke Style Oxygen Tanks -Good for filling medical grade oxygen and welding and brazing grade oxygen. -3000PSI Oxygen Hose, Pressure Gauge, CGA-540 & CGA-870 Yoke x Special Homefill adaptor 36" Oxygen transfill assembly allows you to fill you own oxygen H tanks (CGA-540 or CGA-870) from your Homefill unit. One end of the device plugs into the port where you would normally plug in your special Homefill oxygen tank and the other end attaches to an H tank (or any CGA-540 tank) and/or small medical Cylinder (CGA-870) with the 36" hose. IMPORTANT ******* CLEANED FOR OXYGEN SERVICE - DETAILED INSTRUCTIONS INCLUDED - BE SURE TO READ AND FOLLOW ALL INSTRUCTIONS TO SAFELY TRANFILL OXYGEN - DO NOT USE OIL OR CONTAMINATE ANY PARTS TO BE USED IN OXYGEN - RISK OF SERIOUS INJURY IF DIRECTIONS NOT FOLLOWED PRECISELY.*****