Replacement Oil Line 1/4" M X 1/4" F X 500Mm Features a flexible rubber hose Robust threaded ends included Easy to connect Ideal for heating oil Easi Plumb 1/4" M X 1/4" F X 500Mm Replacement Oil Line | Epol5The Easi Heat 1/4in M x 3/8" F Flexible Oil Line provides a connection between the oil filter and oil burner. The line features a rubber hose for flexibility making it ideal for the conveyance of heating oil. Robust threaded ends, one male and one female, are included on this oil line to ensure easy connection.