Dwyer Instruments HFL-4-25 with Series HF In-Line Flow Monitor 1″ female NPT, 2-25 GPM. Order #: HFL-4-25. Mfg #: HFL-4-25

Dwyer Instruments OP-G-1 with 2.5″Orifice Plate Flowmeter 20″H2O. Order #: OP-G-1. Mfg #: OP-G-1

Dwyer Instruments SFI-700SS-1/2 with Sight Flow Indicator, 1/2″ body 3.688″ L x 2.250″ H, 316SS. Order #: SFI-700SS-1/2. Mfg #: SFI-700SS-1/2

Dwyer Instruments SFI-400SS-1-1/4 with Sight Flow Indicator 1.25″ body, 5.75″ length, SS. Order #: SFI-400SS-1-1/4. Mfg #: SFI-400SS-1-1/4

Dwyer Instruments VA22438 with Variable Glass Flowmeter,150mm Scale,SS float. Order #: VA22438. Mfg #: VA22438

Dwyer Instruments DR224132 with Dir readng glass flwmtr, 316 SS float, flow rate 2 SCFH air.. Order #: DR224132. Mfg #: DR224132

Dwyer Instruments DR224132M with Dir readng glass flwmtr, 316 SS flot, flow rate 2 SCFH air. Me. Order #: DR224132M. Mfg #: DR224132M

Dwyer Instruments DR224232M with Dir readng glass flwmtr, 316 SS flot, flw rt 10 SCFH air. Met. Order #: DR224232M. Mfg #: DR224232M

Dwyer Instruments DR224282 with Dir readng glass flwmtr, 316 SS float, flow rate 16 SCFH air.. Order #: DR224282. Mfg #: DR224282

Dwyer Instruments DR224282M with Dir readng glass flwmtr, 316 SS flot, flw rate 16 SCFH air. Me. Order #: DR224282M. Mfg #: DR224282M

Dwyer Instruments DR224332 with Dir readng glass flwmtr, 316 SS float, flow rate 35 SCFH air.. Order #: DR224332. Mfg #: DR224332

Dwyer Instruments DR224332M with Dir readng glass flwmtr, 316 SS flot, flw rt 35 SCFH air. Met. Order #: DR224332M. Mfg #: DR224332M

Dwyer Instruments DR224382 with Dir readng glass flwmtr, 316 SS flot, flow rate 90 SCFH air.. Order #: DR224382. Mfg #: DR224382