Comparison : Item # FHM2HL-4-4, 500 scfh with Heater Maximum Flow Rate, Carbon Dioxide Gas, and 4 Cylinders Healthcare Manifold System with Standard 10 in. on Center and Wall mount
Item # FHM2HL-4-4-F, 500 scfh with Heater Maximum Flow Rate, Carbon Dioxide Gas, and 4 Cylinders Healthcare Manifold System with Standard 10 in. on Center and Floor Mounted
Item # FHM2HL-4-4-V, 500 scfh with Heater Maximum Flow Rate, Carbon Dioxide Gas, and 4 Cylinders Healthcare Manifold System with Vertical crossover 10 in. on Center and Wall mount
Item # FHM2HL-4-4-V-F, 500 scfh with Heater Maximum Flow Rate, Carbon Dioxide Gas, and 4 Cylinders Healthcare Manifold System with Vertical crossover 10 in. on Center and Floor Mounted
Item # FHM2HL-4-4-S, 500 scfh with Heater Maximum Flow Rate, Carbon Dioxide Gas, and 4 Cylinders Healthcare Manifold System with Staggered 5 in. on Center and Wall mount