A.S.M.E. Certified Air Manifold – 15 Gallon Air Manifold ASME Tank Texas Pneumatic proudly introduces the TX-3AMF, the second in its series of ASME approved manifolds. This smaller version is much more accommodating to carry into confied spaces such as airliners for cabin and seat repair. It fits neatly into large toolboxes for storage. It can be equipped with universal crowsfoot type couplers or 1/4in., 3/8in. or 1/2in. quick disconnect industrial couplers with hose barb plug included.