PTFE orifice plate flowmeter, 1-1/2in line size, 1.100in bore, 0.68 Beta, water capacity: 320in d.p., Dwyer Instruments, Mfr#: TE-E-3$431.99+
Direct reading glass flowmeter, glass float, flow rate 11 SCFH air, Dwyer Instruments, Mfr#: DR12470$899.99+