Co2 Cylinder Adapter,self-made Beer Barrel Regulator Tr21.4 to Cga320

This co2 regulator is the ideal accessory to connect a CO2 cylinder adapter to your existing Aquarium Fish CO2 tank regulator or Homebrew beer barrel mini controller.Made of high quality aluminium, it has a high hardness, is not easy to damage, durable and has a long service life.Small and lightweight, easy to carry and store, convenient to use. This is not recommended for carbonisation but is excellent for dispensing.Internal thread TR21-4 to external thread CGA320 cylinder adapter.Material: aluminumcolour: silverPackage Contents:1 x CO2 cylinder adapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.