3M Littmann Cardiology IvTM 27"

Single-piece tunable diaphragm allows for better sound quality and less chance of sound interference. Tunable diaphragms on both the adult and pediatric sides of the chestpiece. Soft-sealing eartips provide an excellent acoustic seal and comfortable fit Headset is easily adjusted for individual fit and comfort Dual-lumen tubing provides an individual air passage for each ear for superior sound quality Latex free tubing retains shape and flexibility and is more resistant to skin oils and alcohol cleaners Does not contain phthalate plasticizers 100% LATEX FREE Bell sleeve included for changing pediatric diaphragm side into an open bell Adult side of the diaphragm measures 1.7"  Pediatric side of the diaphragm measures 1.3" Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item Warranty: 90 Day Woot Limited Warranty