Welch Allyn 3.5V Fiber Optic Transilluminators Each 43300 by Welch Allyn GROUP: Equipment & Furniture:Lighting:Specialty Item Description: Curved All Purpose Transilluminator Packaging Desc: Transilluminator Country of Origin: Harmonized Tariff Code: Product Description: These instruments use halogen illumination transmitted through fiber optics for brilliant, yet cool illumination. Fits any Welch Allyn 3.5V power source. May be sterilized by steam, gas, or some germicidal solutions.