Oxygen Tubing; Standard Lumen - 7ft (2.1m) (50/cs)

• Standard lumen has a smooth internal bore
  No Crush lumen has a star-shaped interior cross section which reduces the likelihood of interruption of oxygen flow
• HCPCS Code - A4616

Manufacturer: Dynarex | MPN: 5101

How many come in a case? There are 50 in each case.