http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:PartNumberSearch%7cOD1238%7c1%7c,Ny:True,Ro:0,Nea:True,N:543 . Designed for highly restrictive environments found in telecom, medical and industrial applications, Orion’s family of high static pressure DC fans deliver superior airflows up to 283 CFM. The high static pressure fans are available with special options including PWM, tachometer, alarm and thermal controls to reduce energy consumption. https://youtu.be/qLoF2i5cZwk
