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| Roots universal URAI rotary positive blower model 615 URAI 420 CFM @ 700 RPM , 1205 CFM @ 1760 RPM , 1641 CFM @ 2350 RPM , HG. IS 8 @ 700 . 12 @ 1760 , 14 @ 2350 , 6" ASA flange intake and exaust , can be mounted vertical or horizontal rebuilt 2 available |