Single use 4mm Ear Specula for Welch Allyn Otoscopes. These are shipped in a box of 1000 units which include 4 cartons of 250 in convenient dispensers. Great value specula at $0.10 cents each including GST. Please note that these speculums will fit your standard Welch Allyn Otoscope. They are are NOT compatible with the Welch Allyn Macroview otoscope.