4" Dry Air Gauge 0-80 PSI w/ 250 PSI Retard
- 3-1/2" Dial Face
- 0-80 PSI Range with 250 PSI Retard
- 1/4" MNPT Connection
- UL Listed, FM Approved for Fire Protection
Optional Gauge Accessory Kit includes (1) 1/4" Brass 3 Way Valve, (1) 1/4" x 1/2" Bushing, 1/4" Plug, and (1) 1/4" x 5" Nipple.