Allied Healthcare Oxygen Nut and Stem Adapter - Medical Grade Oxygen Therapy Connector (Model 65401) for Home & Portable Oxygen Concentrators

Allied Healthcare Stat O Seal Brass Oxygen Tank Washers - Pack of 50 (Model 86060) - Durable Medical Equipment for Oxygen Therapy & Emergency Use

AG86065 Brass and Green Viton Sure Seal Washer - Pack of 50 - High Temperature & Chemical Resistant for Plumbing, Automotive & Industrial Applications