4 Inch Compound Gauge, -15 to 10 psi, -35 to 20 ft.HD, 304 Stainless Steel with Brass Internals Male Adapters It can be used as

It can be used as a continuous drip into PD blowers while running or can be used for long-term storage of PD blowers to keep the lobes free of corrosion

vaulted all along

3HP Pump Skid Addition

FKM/Viton O-rings standard

4 Inch Compound Gauge, -15 to 10 psi, -35 to 20 ft.HD, 304 Stainless Steel with Brass Internals Male Adapters It can be used asMagStrainer 304 Stainless Steel 4 Inch Compound Gauge With Brass Internals Primary Range: 15 to 10 PSI Secondary Range: 35 to 20 Ft. Hd Dial Size: 4 Inch Connection Type: Double Threaded Brass Connection, 1 2 Inch MNPT, 1 4 FNPT Connection Location: Bottom Body Material: 304 Stainless Steel Internals: Brass Dry gauge Accuracy: 1. 5% PRM Part # PGCNBTY100025220HDPSI