Seattle, USA
Since 1936
Kirsten Pipes
Seattle-made metal pipe featuring a radiator stem designed by a college professor.
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History & heritage
Professor Frederick Kirsten designed this pipe to eliminate tongue bite by condensing moisture inside an aluminum cylinder.
What to look for
Anodized aluminum radiator body
Threaded flat-bottom bowl
Removable cleaning valve
Collectibility & value
High cult following, especially in the US Pacific Northwest.
Dating a Kirsten
Dated by generation codes (Gen 1-3) and patent stamps.