The 2BH series regenerative vacuum/pressure blower is an ideal alternative to standard rotary vane pumps and PD/rotary lobe blowers;it's innovative light weight and compact design adds to the ease of operation. The 2BH can quickly be added to your system with its easy to install close-coupled construction. The cool running outboard bearings increase service life. Free is a word that everyone likes to see when they are looking at a product, and this one is OIL FREE, MAINTENANCE FREE, and operates at a maximum 70 dB(A). The 2BH has an operating capacity range of 10-1500 CFM and can achieve an end vacuum up to 20" Hg or a pressure of 13 psig.