Large bottled air cart holds two 3,000 to 5,000 psi, 300-cubic-foot breathing air cylinders. cabinet holds a pressure reducing regulator, 4-outlet quick-connect manifold, low pressure alarm, CGA-346 connecting whips with check valves, and a mounted storage case. Rental Includes: Cart with (2) Filled Cylinders (separate rental charge), Regulator Alarm and 4-Outlet Manifold (1 to 4 persons). Specify Hansen or Schrader fittings when ordering. Rental available daily, weekly or monthly.