BGN All Metal Variable Area Flowmeter Kobold All BGF All Metal Variable Area Flowmeter Kobold All BGN High Pressure All Metal VA Flowmeter Kobold All Glass Cone VA Meters Kobold All Variable Area Flowmeter-Plastic-Low Flow KFR Kobold All Model 1198 Sight Flow Indicator Brooks Instrument All High-Flow GT1000 Glass Tube VA Meter Brooks Instrument All Sho-Rate 1250/1255 Low-Flow Glass VA Meters Brooks Instrument All Sho-Rate 1350/1355 Low-Flow Glass VA Meters Brooks Instrument All 2500 Series Plastic Tube Rotameter Brooks Instrument All Brooks MT3809G armoured rotameter Brooks Instrument All Brooks 3750 Ar-Mite armored rotameter Brooks Instrument All