From the Manufacturer
LDR 310 T-14 Black Tee 1/4-Inch. 1/4-Inch Black Malleable Tee. Hydrostatic tested and Protected from corrosion with varnish. 150 PSI and not used for drinking water.
Product Description
Ldr 310T-14 Straight Tee, BlackLdr 310T-14 Straight Tee, Black Features:; For 150 lbs maximum working steam pressure or 300 lbs non-shock working oil, water or gas pressure at ordinary air temperature; Tapped to American Standard Oil Thread; 310T-18: 1/8"; 310T-14: 1/4"; 310T-38: 3/8"; 310T-12: 1/2"; 310T-34: 3/4"; 310T-1: 1"; 310T-114: 1-1/4"; 310T-112: 1-1/2"; * Image shown may vary by color, finish, or material