8G1998 NON RETURN VALVE IN 3/8NPT OUT 1/4G FEM C/ARROW (TE TD TN) 3/8 "M conical NPT, 1/4" M GAS diameter. Total lenght 61mm, hexagon 21mm Go back Request info Warning! To make an order by using our Web Site and to check out our items, You need to get an account. Login Sign up