Corrosion Proof Male Female Coupling is a connector that makes connection with a hose to a water source or to another hose possible with a strong and leak-proof joint. The Male Female Coupling can be used where corrosion is an issue, especially in a saltwater environment. The Male Female Coupling is suitable for most fire fighting equipments and industrial applications. Male Female Coupling is designed with Universal head that offers interchangeability between all types of instantaneous coupling. Male Female Coupling can be used where corrosion is an issue, especially in a saltwater environment. Male Female Coupling has threads on the outside and the female coupling has threads on the inside. Corrosion Proof Male Female Coupling is made of quality grade gunmetal, stainless steel or aluminium alloys to ensure long term usage.