Welch Allyn Polypropylene Specula For Veterinary Pneumatic Otoscopes Each 22064 by Welch Allyn GROUP: Veterinary:Miscellaneous:Medical Supplies Item Description: Specula, 4mm, Green, Fits Otoscope Models 20260, 21760, & 20262 Packaging Desc: Specula 4Mm Country of Origin: Harmonized Tariff Code: Product Description: Material is lightweight, yet very durable. May be autoclaved, boiled or cleaned with standard germicides.