![Amazon.com: "UN3373 Biological Substance Category B" Labels/Stickers, 4" x 4 3/4", Black/White, 500 Labels Per Roll (1 Roll) : Industrial & Scientific Amazon.com: "UN3373 Biological Substance Category B" Labels/Stickers, 4" x 4 3/4", Black/White, 500 Labels Per Roll (1 Roll) : Industrial & Scientific](https://m.media-amazon.com/images/I/61WWm8KxwhL._SL1500_.jpg)
Amazon.com: "UN3373 Biological Substance Category B" Labels/Stickers, 4" x 4 3/4", Black/White, 500 Labels Per Roll (1 Roll) : Industrial & Scientific
![Label Class 6.2 (Biological Substance Category B – UN3373) Hazard Label - CODE 453 | Contact ISOVATION Label Class 6.2 (Biological Substance Category B – UN3373) Hazard Label - CODE 453 | Contact ISOVATION](https://www.industry-plaza.com/img/label-class-6-2-biological-substance-category-b-un3373-hazard-label-code-453-012085077-product_zoom.jpg)
Label Class 6.2 (Biological Substance Category B – UN3373) Hazard Label - CODE 453 | Contact ISOVATION
![UN3373 BIOLOGICAL SUBSTANCE CATEGORY B Package Labels | Hazard Packaging Labels | Safety Signs & Notices UN3373 BIOLOGICAL SUBSTANCE CATEGORY B Package Labels | Hazard Packaging Labels | Safety Signs & Notices](https://www.safetysignsandnotices.co.uk/image/cache/catalog/products/UN_3373_BIO_SUB_CAT_B_500-500x300.gif)