Product type: FRP filter tank
Model: 1665
Material: PE+FRP
Opening: 2.5 or 4 inches, threaded
Diameter: 16 inches (410 mm)
Height: 65 inches (1660 mm)
FRP Vessel 1665 Volume: 180 liters (47.57 gallons)
Max working temperature: 50?
Max working pressure: 150 PSI (1.03MP)
Max vacuum: 17KPa(5?Hg)
Flowrate: 3.2-4.5 m3/h
link:https://www.ink-blue.com/water-tank/frp-filter-tank/frp-vessel-1665.html