TTI Desiccant Breathers, PowerBreather TT-4. Equivalent to Parker 934332T; Air Sentry D-102, D-103, D-104, D-108, X-122, R-102, R-121, R-122, R-123, M-103, M-104, A-302, A-323, A-344; Des Case DC-4; Beach BB-4; RMF 121 Series, KL121R; Zeozorb Model A, Model B and ZZ-300.
