Recirculation Starter Kit For 60cm Minimum Worktop Depths Including:1 Small Radius 90 Bend (HEZ9VDSB4) 1 Large Radius 90 Bends (HEZ9VDSB2) 3 Connectors (HEZ9VDSS1) 1 50 Cm Straight Channel (HEZ9VDSM1) & 1 Diffusor (HEZ9VRPD1). Additional Ducting Components May Be Required