Vibrant PTFE replacement washers for -6AN bulkhead fittings are sold as a pair and are intended for use with Vibrant bulkhead adapter fittings. These PTFE washers provide a straight-thread sealing solution compatible with Vibrant adapter lines and are available in a range of AN sizes to match your fitting requirements.
Vibrant -6AN PTFE Washers for Bulkhead Fittings - Pair