Firefly ES100 Specula Kit (3/4/5mm) 192 pcs Disposable specula for use with the Digital Otoscope DE550 (wireless) Simply press a speculum into the otoscope to attach and pull free when done. Includes three sizes: 3mm, 4mm, 5mm.192 pieces (64 pieces of each size)Easy to use Non-stock product, delivery time will be 40 - 65 business days after order received. ...