![3M 7881S Black Silicone Nose Cup/Valve Assembly - 051138-21341 [PRICE is per BAG]](https://cdn1.zohoecommerce.com/product-images/3m-7881s-silicone-nose-cup-valve-assembly-for-7800s_139533.webp/3219694000335054525/1200x1200?storefront_domain=www.bzdefense.com)
3M 7881S Nose Cup/Valve Assembly is a replacement silicone nose cup and valve designed for use with the 7800S respirator. The assembly features a check valve design with flanged inlet and outlet connections and two ports. Made of silicone with an exterior silicone finish for comfort and durability. Unit is sold per bag; packaged 5 per case. UPC: 051138213411. Manufacturer part number: 21341. Dimensions (L x W x H): 6.4 x 5 x 2.1 inches. Item weight: 0.09 pounds. Commonly used as a replacement nose cup/valve assembly in industrial respiratory protection applications.
| Materials & Construction | |
| Material | Silicone |
| Material Type | silicone |
| Product Details | |
| Connector Type | Flanged |
| Exterior Finish | Silicone |
| Included Components | Item |
| Model Number | 70070221257 |
| Number of Ports | 2 |
| Unit Count | 1.0 Count |
| UPC | 051138213411 |
| Valve Type | check valve |
| Sizing & Dimensions | |
| Height | 2.1 inches |
| Length | 6.4 inches |
| Size | 6.4 x 5 x 2.1 inches |
| Weight | 1.44 ounces |
| Width | 5.0 inches |
| Technical Specifications | |
| Inlet Connection Type | Flange |
| Outlet Connection Type | Flange |
By signing up, you agree to receive emails from us. You can unsubscribe anytime.
Copyright @ 2026 BZ DEFENSE LLC. All rights reserved. Unauthorized use and/or duplication of this material without express and written permission is prohibited.