Harris 701-015-540-BE - 701015540BE - Oxygen Regulator 30-S The only difference is diameter

The only difference is diameter (3/16 in) and package format (unknown cardboard box)

It also features a large inside pocket for protected storage

Auxiliary Output Frequency 60 Hz Receptacle Types NEMA 5-20R

Exact count varies with manufacturing tolerance but a 50 lb easy-open can of 3/16 in Lincoln Excalibur 7018-1 MR typically contains in this range

and mode settings

Harris 701-015-540-BE - 701015540BE - Oxygen Regulator 30-S The only difference is diameterHarris High Purity Regulator Model 701 015 540 BE 701015540BE Model HP701 is a chrome plated brass Single Stage Cylinder Regulator with a Stainless Steel diaphragm for general laboratory use. The HP701 can be used when a slight pressure rise from full to empty Cylinder can be tolerated. This model is available with various delivery pressures, CGA inlet fittings, accessories and other options for a customized Regulator to meet specific requirements.