JCAST > Center For Irrigation Technology > Goods > Drip-emitters > Irri-Namic Model Test Type Date POROUS HOSE Coeff. of Man. Var. 10/18/89 POROUS HOSE (3' SECTION) Discharge vs. Pressure 8/21/89 POROUS HOSE (3' SECTION) Discharge vs. Pressure 8/3/89 POROUS HOSE (3' SECTION) Discharge vs. Pressure 10/13/89