Harvia Smoke Pipe WZSmoke Pipe, Sauna Wood Stove, 1m, 115mm The Harvia Smoke Pipe WZ has a CE certification that ensures the safety of your stove. This 1m smoke pipe is compatible with all Harvia Sauna Stoves, except for the Harvia 50. The Harvia Smoke Pipe WZ complies with all international fire and operational safety requirements to help keep your stove safe. This 1m smoke pipe is compatible with all Harvia Sauna Stoves, except for the Harvia 50. Features Black and