BLS93NST by Dixon Valve | Long Shank Hose Coupling | Complete Coupling | 2-1/2" Hose ID | 2-1/2" Male NST x 2-1/2" Female NST | BrassMaterials: Brass Seal: Rubber Complete Coupling Brass Part Number Hose I. D. Threads BLS63NST 1 1 2" 1 1 2" Male NST x 1 1 2" Female NST BLS93NST 2 1 2" 2 1 2" Male NST x 2 1 2" Female NST Female Fitting Brass Part Number Hose I. D. Thread BLS150NST 1 1 2" 1 1 2" Female NST BLS250NST 2 1 2" 2 1 2" Female NST Male Fitting Brass Part Number Hose I. D. Thread BLS20NST 1 1 2" 1 1 2" Male NST BLS30NST 2 1 2" 2 1 2" Male NST