Sold as 4 UNITS at $5.64 per unit. (1 unit = each.) For use with water or steam. Rated to 300 PSI @ 150 deg. F; steam: 150 PSI. Class 150 standard. ANSI Standard B16.3 Unions: 16.39. ASTM A-197. Bagged. 2" FIP x 1-1/2" FIP. Manufacturer number: 511-387BG. SKU #: 4068854. Country of origin: China. Distributed by Ace Trading Fittings-B&K.