A surface cleaning head comprising: a housing having a front side and back side, the housing defining a suction conduit with an opening on an underside of the housing between the front side and the back side; a brush roll rotatably mounted within the suction conduit and at least a portion of the brush roll being proximate the opening of the suction conduit ; a leading roller rotatably mounted to the front side of the housing in front of and spaced from the brush roll to define an inter-roller air passageway between lower portions of the brush roll and the leading roller , wherein the leading roller has an outer diameter that is less than an outer diameter of the brush roll , wherein at least an inside upper portion of the leading roller is substantially outside of a flow path to the suction conduit and wherein at least an inside bottom portion of the leading roller is exposed to the flow path to the suction conduit , and wherein the leading roller is in front of the opening of the suction conduit such that the leading roller at least partially seals a front side of the underside of the housing when used on a surface being cleaned and directs debris from the surface being cleaned to the inter-roller passageway; characterised by further comprising at least one sealing strip extending from the underside of the housing , the at least one sealing strip comprising a rear sealing strip extending along a rear side of the opening and a left and right side sealing strip extending at least partially between the brush roll and the leading roll; and side air passageways between the leading roller and the at least one sealing strip to direct air flow along the underside into the opening of the suction conduit . a housing having a front side and back side, the housing defining a suction conduit with an opening on an underside of the housing between the front side and the back side; a brush roll rotatably mounted within the suction conduit and at least a portion of the brush roll being proximate the opening of the suction conduit ; a leading roller rotatably mounted to the front side of the housing in front of and spaced from the brush roll to define an inter-roller air passageway between lower portions of the brush roll and the leading roller , wherein the leading roller has an outer diameter that is less than an outer diameter of the brush roll , wherein at least an inside upper portion of the leading roller is substantially outside of a flow path to the suction conduit and wherein at least an inside bottom portion of the leading roller is exposed to the flow path to the suction conduit , and wherein the leading roller is in front of the opening of the suction conduit such that the leading roller at least partially seals a front side of the underside of the housing when used on a surface being cleaned and directs debris from the surface being cleaned to the inter-roller passageway; characterised by further comprising at least one sealing strip extending from the underside of the housing , the at least one sealing strip comprising a rear sealing strip extending along a rear side of the opening and a left and right side sealing strip extending at least partially between the brush roll and the leading roll; and side air passageways between the leading roller and the at least one sealing strip to direct air flow along the underside into the opening of the suction conduit . <EOS>