Ohmeda Neb Block with Chrome Body Flowmeter, Neb Drive: 7-8 LPM. Neb treatments, resuscitation bags or equipment power are all available with this unique product. All equipment can be kept connected and ready for use when needed. You simply need to push the switch from off to on to deliver a neb treatment or to utilize a resuscitation bag. The outlet barb is available in 6 pre-set lows for easy delivery of treatment. Need power for equipment? The Neb Block is equipped with a 50 psi power take off to allow use of any equipment that requires 50 psi power. The Neb Block is available with either chrome, compact or aluminum flowmeters. Connections for all wall outlet styles are available. Packaging: 1/Each.