Pressure Gauge,Liquid Filled,2″ Dia,1/4″ NPT Male Brass Connection,Lower Mount, Polycarbonate Lens Window, Stainless Steel case and Bezel

Amazon.com Price: $8.62 (as of 08/05/2021 18:33 PST- Details)

It measures pressure for gas, liquid which has no corrosive to brass.
polycarbonate lens window
2″ dial size,filled with liquid

(Checkout Process Will Take You To Amazon Secure Server)