The ARO 26221-000 NOS Air Tool Pneumatic Lubricator is a high-quality accessory designed for use with compressed air treatment systems. Made in the United States, this lubricator features a durable white body with 1/4" female NPT threads, ensuring a secure connection for optimal performance. The ARO brand is known for its reliability and performance in the hydraulic, pneumatic, pumps, and plumbing industries, making this lubricator a trusted choice for maintaining smooth and efficient compressed air treatment.