N081MC - Single venturi, compressed air vacuum with an 8 gallon, painted steel tank weighing 26 pounds. The 8-gallon unit can be fitted to work from your choice of 3 air line sizes which include 3/8", 1/2" and 3/4". Air consumption ranges from 20 to 47 SCFM at 100 PSI. Vacuum specs for the 3/8" and 1/2" are 61 SCFM and 105" wc and the 3/4" unit is 60 SCFM and 213 wc. Recommended compressor sizes are 5 HP and 10 HP. Unit is provided as a complete kit with vacuum hose, tools and a 20' long air line assembly. These vacuums are available for both dry and wet-dry applications. Wet-dry calls for adding the optional liquid shut off assembly. Other options available are a stainless steel tank and there is an optional exhaust silencer. Please contact us if the 8-gallon unit is of interest so we can confirm which option is best suited for your application.