G19-135 G19135 Hartman Eustachian Catheter Silver Plated Size 4 G19-134 G19134 Hartman Eustachian Catheter Silver Plated Size 3 G19-133 G19133 Hartman Eustachian Catheter Silver Plated Size 2 G19-132 G19132 Hartman Eustachian Catheter Silver Plated Size 1 G19-131 G19131 Hartman Eustachian Catheter Silver Plated Size 0 G19-244 G19244 Hartman Eustachian Catheter Bulbous Tip Silver Plated Size 00