a pressure release valve 26 preset to permit excess pressure to be diverted from the tank and directed exteriorly thereof to eliminate hazard in the use of the tank structure a fourth receiving socket 27 includes a pressure gauge 28 for providing individual indication of pressure within the tank and conduit structure with a flexible delivery fifth conduit 30 including a conduit first fitting 31 arranged for reception within the fifth receiving socket 29 the first second third fourth and fifth receiving sockets of the distribution block 20 are each in pneumatic communication with the central conduit 21 as illustrated in the fig5 for example the conduit second fitting 32 is formed of structure to provide for filling of pneumatic tires using a coupling for operation of an air tool and the like the fig5 and 6 illustrate the use of a support case 33 including a lid 34 including a latch 35 to selectively secure the lid 34 to the case 33 a respective first second third fourth fifth sixth and seventh cavity 37 38 39 40 41 42 and 43 are formed within a floor plate of the case 33 to receive the components 14 17 39 26 24 28 and 30 of the organization the fig7 and 8 illustrate the use of a protective cage in surrounding relationship relative to the tank and conduit structure wherein the cage includes a series of spaced parallel cage slats 55 arranged in a spaced relationship to permit access to the tank valve 12 as well as the various components such as the fill valve 24 and the like further visual observation of the various components is available a first cage shaft 44 interfits with a second cage.