Two-sided Chestpiece With Tunable Diaphragms On Both The Adult And Pediatric Sides * Single-piece Tunable Diaphragm Is Easy To Attach And Easier To Clean Because Its Surface Is Smooth Without Crevices * Pediatric Side Converts To A Traditional Open Bell By Replacing The Single-piece Diaphragm With A Non-chill Rim * Next-generation Tubing Provides Longer Life Due To Improved Resistance To Skin Oils And Alcohol; Less Likely To Pick Up Stains