A propeller-type purge valve with a metal interior and M16x1 threading. The propeller spins as smoke passes through the valve. It replaces the standard upper metal part of a regular purge valve. Compatible with the Oduman N1, N2, N3, N4, N5-Z, N2 Travel, N5-Z Junior, Voyage, Tarantula, Smoke Tank, N4 Midi, Gusto-35, and N2 Gold models; not suitable for the Monster and Micro models.

Screwed onto the purge valve thread in place of the standard upper part on compatible Oduman models.