ROOTS RCS-J Whispair Blower Frame 412
Each Roots RCS-J rotary lobe blower is a heavy duty unit featuring the patented Whispair feature that reduces pressure pulses lowering the noise level. This series is obsolete and has been replaced by the RAM-J blower series.

BOM:
412 RCS-JH – 852493020 (852-493-020), 852493120 (852-493-120), 52493320 (52-493-320)
412 RCS-JV – 852458020 (852-458-020), 852458120 (852-458-120), 52458320 (52-458-320)
412 RCS-JV (Bottom drive) – 64484220 (64-484-220)
*412 RGS J with mechanical seals – 66726120 (66-726-120), 65584120 (65-584-120)

*Gas service units were replaced by the RAM-GJ series