Nitrous Bottle Adapter -4 an Steel Finish Suits Boc Bottle

these bottle nut adapters from 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.