A pair of 500mm long flexible hoses for connecting a heat pump to 28mm pipework. With a 28mm compression fitting one end and a 1" female fitting at the other. Pre-fitted with Primary Pro insulation for a long lasting, externally rated finish and gapless, continuous insulation when used with Primary Pro pipe lagging on the rigid pipework. Elbow connections at the heat pump end for pipework running parallel to the wall.