TORO CO M/R IRRIGATION 54006 Double Beaded Diaphragm (Discontinued by Manufacturer) Double Beaded Diaphragm Fits True Value #'s: 897-135 124-800 124-925 125-864 127-845, And Model 54001 Proven Pressure-activated, Double-beaded, Diaphragm Strengthens Seal Between Valve Body And Bonnet Very Easy To Replace Made from durable construction that will last a long time