A multiple fluid circuit spray device, comprising: a fluid oscillator circuit substrate or chip having an input end, at least first and second fluidic circuits defined in first and second sides, and an output end which is transverse to said first and second sides and a plane between said sides; said first side including a first filter subchamber having an upstream end and a downstream end and a first filter dividing the upstream end of said first subchamber from the downstream end of said first subchamber, with said upstream end being in registry with said input end to receive liquid from a source of pressurized fluid; said second side including a second filter subchamber having an upstream end and a downstream end and a second filter dividing the upstream end of said second subchamber from the downstream end of said second subchamber with said upstream end being in registry with said input end to receive liquid from a source of pressurized fluid; an inter-circuit transverse bypass lumen or liquid flow path from said downstream end of said first filter subchamber to said downstream end of said second filter subchamber; said first side further including a first fluid oscillator circuit having an inlet aperture (110, 112) in communication with said downstream end of said first filter subchamber and with said bypass lumen, wherein said first fluid oscillator circuit includes an outlet throat leading through an outlet orifice to ambient at said output end to generate a first spray of said fluid to ambient; said second side further including a second fluid oscillator circuit having an inlet aperture (140, 142) in communication said downstream end of said second filter subchamber and with said bypass lumen, wherein said second fluid oscillator circuit includes an outlet throat leading through an outlet orifice to ambient at said output end to generate a second spray of said fluid to ambient; a nozzle housing for enclosing said oscillator circuit chip and including at least one fluid inlet port; and wherein said inlet port simultaneously and continuously provides inlet fluid to said upstream ends of said first and second inlet ends, whereby inlet fluid flowing through said first or second filter subchambers may pass through said transverse lumen and into said first or second fluidic oscillators. a fluid oscillator circuit substrate or chip having an input end, at least first and second fluidic circuits defined in first and second sides, and an output end which is transverse to said first and second sides and a plane between said sides; said first side including a first filter subchamber having an upstream end and a downstream end and a first filter dividing the upstream end of said first subchamber from the downstream end of said first subchamber, with said upstream end being in registry with said input end to receive liquid from a source of pressurized fluid; said second side including a second filter subchamber having an upstream end and a downstream end and a second filter dividing the upstream end of said second subchamber from the downstream end of said second subchamber with said upstream end being in registry with said input end to receive liquid from a source of pressurized fluid; an inter-circuit transverse bypass lumen or liquid flow path from said downstream end of said first filter subchamber to said downstream end of said second filter subchamber; said first side further including a first fluid oscillator circuit having an inlet aperture (110, 112) in communication with said downstream end of said first filter subchamber and with said bypass lumen, wherein said first fluid oscillator circuit includes an outlet throat leading through an outlet orifice to ambient at said output end to generate a first spray of said fluid to ambient; said second side further including a second fluid oscillator circuit having an inlet aperture (140, 142) in communication said downstream end of said second filter subchamber and with said bypass lumen, wherein said second fluid oscillator circuit includes an outlet throat leading through an outlet orifice to ambient at said output end to generate a second spray of said fluid to ambient; a nozzle housing for enclosing said oscillator circuit chip and including at least one fluid inlet port; and wherein said inlet port simultaneously and continuously provides inlet fluid to said upstream ends of said first and second inlet ends, whereby inlet fluid flowing through said first or second filter subchambers may pass through said transverse lumen and into said first or second fluidic oscillators.