Product description: Designed for general illumination in applications such as clean manufacturing, the pharmaceutical industry, healthcare, laboratories, and other environments where contamination control is critical, Lithonia Lighting® SRTL LED cleanroom luminaires are engineered to protect people, products, processes, and operations from contamination originating from the lighting system.The SRTL series features key certifications and ratings that ensure compatibility with highly controlled environments: ISO Class 3 to 9 certification, compliance with NSF Splash Zone 2 and NSF P442 standards, IP65 and IP66 ratings, as well as NEMA Type 4X for water and dust resistance, suitable for biosafety levels 1 to 4, meets the requirements of USP 797 and USP 800 standards (pharmaceutical industry), IK10 impact resistance, and offers recessed or surface mount installation options.Its fully sealed, welded, and perforation-free housing effectively isolates the luminaire from the environment, ensuring maximum airtightness and durability. Available in standard sizes: 1x4, 2x2, and 2x4.