Western Enterprises AW-15A Inert Arc Adaptors, 200 PSIG, Brass, B-Size, 1/4″ (NPT), Inert Gas, Male/female Connection, 0.5 Length, B-Size

Amazon.com Price: $7.00 (as of 29/09/2020 10:37 PST- Details)

Made from brass to ensure functionality and durability
Can accommodate up to 200 psi of pressure
Size: B-Size

(Checkout Process Will Take You To Amazon Secure Server)