With r-8m-25-4 tube and 316 ss rib guide float no. 8-rv-3, single detachable direct reading scale, flow range of 0.32 to 3.22 scfm of gaseous nitrogen when metered at 70 degrees f and 14.7 psia, with correction curves, 316ss end fittings, 1/2 in. Npt inlet and outlet connections, neoprene tube packing, 20-3/8 in. Lg 0/2 dim
