The phrase "a conduit through" is correct and usable in written English.
It can be used to describe a means or channel for conveying something, such as information or resources.
Example: "The internet serves as a conduit through which we can access vast amounts of information."
Alternatives: "a channel for" or "a means of".
But it is also a conduit through which Corbyn can communicate with millions of people.
The artist is a conduit through which lost things are recovered".
It was a conduit through which ideas and personalities flowed, and still flow today.
Or a port: a conduit through which influences depart and arrive.
The "No Logo" proponents are correct that brands are a conduit through which influence flows between companies and consumers.
It's a conduit through which the benefits of shared experience — empathy, hindsight, a sense of who you are — can travel.
The latter is a cultural conduit through which a population not known for its ability to let it all hang out, emotions-wise, can express its fury, resentment, jealousy and hopelessness.
As a fluent Mandarin, Taiwanese and Cantonese speaker, she was viewed as a major conduit, through which Mr. Liu was able to create a potent fund-raising machine from new donors, especially Asian-Americans in Queens.
As a conductor of his own and others' work, he has proved a revelatory conduit through which to view both contemporary and core repertoire music.
WHEN economists think of the financial system, it is usually as a frictionless conduit through which money flows to areas of the economy where it is most needed.
We want the stories behind the stories, and although Smith may be a social force in her own right, she is well aware that her place in the firmament of superstardom is as a jolly conduit through whom decades of tabloid readers and TV viewers have gotten the scoop on what life is like on the other side of the velvet rope.
