Special Features:

• Accuracy: ±4% of Full Scale
• Shock and Corrosion Proof
• Maximum Pressure 145 PSIG
• Polysulfone Version has Excellent Resistance to Acids and Alkaline Solutions
• Compact Design

Specifications:

Measuring range: 
   0.006-0.05 GPM....0.44-4.4 GPM (Water),
   0.06-0.27 SCFM to 11.8-62 SCFM (Air)
Fitting: G 3/4... G 11/2 male, 3/8"-1" NPT
Material: trogamid, polysulfone
Max. pressure: 145 PSIG
Max. temperature: 140 °F 
Accuracy class: ± 4% of FS
Options: contact, air scale