Description
The 3M 501 Filter Retainer securely attaches 3M particulate pre-filters, such as the 5P71 (P95) or 5N11 (N95), to 3M respirator cartridges for combined protection against particulates, gases, and vapors. Designed for reliable performance and ease of use, these retainers ensure a tight, stable connection between filters and cartridges on compatible 3M respirator systems. This 20-pack provides convenient replacements for workplaces that rely on regular respirator use.