Aerosol drug effectiveness depends on the quality of its delivery to the lungs. sidestream achieves 80% of output volume below the critical 5 microns maximising each dose. sidestream produces a flow rate of 16 l/min by utilising a venturi which draws in room air. this boosts output reduces treatment time and improves patient compliance. unlike many other nebulisers sidestream will provide consistent drug delivery time after time which makes respironic sidestream nebuliser the choice for aerosol drug delivery. the philips face mask is manufactured from medical grade latex free plastic and comfortably fits over your nose and mouth.