- Parker Grade R Single Line Oxygen Welding Hose, Series 71217121-25200Special Price $1.93 Regular Price $3.86
- Parker Grade R Single Line Oxygen Welding Hose, Series 71217121-31200Special Price $2.57 Regular Price $5.13
- Parker Grade R Single Line Oxygen Welding Hose, Series 71217121-50200Special Price $4.31 Regular Price $8.62