Sold as 10 each. Used with brass, copper and iron pipe. For low and medium pressure lines. -65 to +250 degrees F. Yellow or red brass as listed. Red brass for corrosive soils and high salt areas. Bulk. 1/4" x2-1/2"Red. Manufacturer number: AB113RB-B25. SKU #: 46991. Country of origin: (TBA). Distributed by Anderson Copper & Brass.