top brands like 3M, Honeywell, Venus, Karam, and Dettol offer high-quality masks. Specifications include N95, N99, and FFP2 ratings for particulate filtration, chemical-resistant materials, and activated carbon filters. Available in reusable and disposable designs, they feature adjustable straps, exhalation valves, and comfortable fits. These masks are widely used in construction, healthcare, and industrial environments for respiratory protection.