Vital Signs Respirgard II Nebulizer System MQS124030 Our Low Price:$10.38 In Basket: None For aerosolized Pentamidine delivery. Includes: Acorn II, 7' kink–resistant supply tube, universal anti–drool "T", mouthpiece, 6" aerosol tube, non ported "y" 1–way valve and expiatory filter.Each.