Harris HP 721C Specialty Gas Regulator - Oxygen 721C015540B Welding Blankets The heavy duty design is

The heavy duty design is constructed with two 15 micron nickel plated bronze (Sure-Seat™) filters which encapsulate the high pressure seats

Stay-Silv® 15 is well suited where close fit-up does not exist

Outlet - 5/8" - 18 (F)

It is classified as AWS A5

The Harris® HP 722C-015-350-A specialty gas regulator is a two stage

Harris HP 721C Specialty Gas Regulator - Oxygen 721C015540B Welding Blankets The heavy duty design isHarris HP 721C Specialty Gas Regulator Oxygen 721C015540B The Harris HP 721C 015 540 B specialty gas regulator is a single stage, chrome plated brass, high purity regulator with CGA 540 (oxygen) inlet and chrome diaphragm valve outlet. It features a 316L stainless steel diaphragm and a one piece encapsulated seat with sintered filter to prevent contamination. The HP 721C is recommended for gas purity levels of Grade 5. 0 (99. 999%) and higher. It is