Aeroflow Nitrous Bottle Adapter -4AN Suit Gen II NOS bottles

These bottle nut adapters from Aeroflow enable you to connect your nitrous bottle outlet to a AN braided line for easy nitrous oxide plumbing. Available to suit either Gen 2 NOS brand bottlesor BOC brand nitrous bottles. Featuring a 1” female thread and either a male -4AN or -6AN. They are made from steel for durability to be able to take off and on several times to refill or remove the nitrous bottle. A PTFE washer is included to seal onto the nitrous bottle.