BTS M25 Cylinder to Valve ORing A16310633

PLEASE NOTE WE ORDER BEAVER, BTS, AND OMS PRODUCTS AS WE GO ALONG DEPENDING ON WHAT THE CUSTOMERS NEED. STOCK MAY NOT ALWAYS BE READILY AVAILABLE SO PLEASE GET IN TOUCH FIRST TO CHECK IF YOU NEED THE ITEM IN A HURRY. MANY THANKS.
  Viton Nitrox Compatible O-Ring to fit between a EN-144-1 Specification Cylinder & EN-144-3 Cylinder Valve with M25X2 thread.