Exufiber® Gelling Fiber Dressing, 15 x 15 Centimeter, 1 Case of 60 Blister Products Silicone Tape Ophthalmoscope head with lens wheel Hip Kits Ophthalmoscope head with lens wheel features 25 corrective lenses from 20 to +20 diopters * Otoscope head with removable 4x magnifying lens and insufflator fitting * Bayonet head locking mounts for secure connection to the battery handle * C cell powered battery handle with rheostatic on off switch * Auto clavable polypropylene ear specula in 2 s no chance for the thread to become soiled and contaminated *Size is 2 x 60 x 0 Viewed under a microscope you can see that Exufiber is full of tightly entangled fibers that minimize the free space for fluid or exudate to flow