An adaptor (90, 100) to connect a wiper blade to an end region of a wiper arm of a vehicle, said end region of said wiper arm having a U-profile in cross section, said wiper arm configured with a sliding latch having a recess, a U-profile in cross section having opposing first and second latch side walls, and a latching projection on a lower side of said sliding latch, said latching projection comprising a first latching nose projecting inward from said first latch side wall and a second latching nose projecting inward from said second latch side wall, said adaptor (90, 100) comprising: an intermediate connector (92, 102) comprising a U-shaped channel having a main wall (94, 104), opposing first and second connector side walls (95, 105), a first slot (99, 112) in said first connector side wall (95, 105) configured to engage with said latching projection on said sliding latch and a first projection (98, 108) extending upward from said main wall (94, 104) and configured to engage with said recess in said sliding latch, a second slot (99, 112) in said second connector side wall (95, 105) configured to mate with said second latching nose, and a first rib (96, 106) projecting outwardly from one of said connector side walls (95, 105) and a slider comprising a first connector formation configured to engage with said intermediate connector (92, 102) and at least one second connector formation configured to retain said wiper blade; wherein said first rib (96, 106) is configured to engage a spacer assembled at an end of said wiper arm, said first slot (99, 112) extending upward on said first connector side wall (95, 105) and through said main wall (94, 104) providing a passageway (99, 112) for said first latching nose; and characterized in that said intermediate connector (92, 102) comprises a pin configured to engage with said first connector formation of said slider and wherein each of said first and second slots (99, 112) further comprises a first leg (99A, 112A) generally extending vertically, a longitudinal second leg (99B, 112B) extending away from said first leg (99A, 112A), and a detent (99C, 112C) to positively restrain said respective latching nose within said second leg (99B, 112B). an intermediate connector (92, 102) comprising a U-shaped channel having a main wall (94, 104), opposing first and second connector side walls (95, 105), a first slot (99, 112) in said first connector side wall (95, 105) configured to engage with said latching projection on said sliding latch and a first projection (98, 108) extending upward from said main wall (94, 104) and configured to engage with said recess in said sliding latch, a second slot (99, 112) in said second connector side wall (95, 105) configured to mate with said second latching nose, and a first rib (96, 106) projecting outwardly from one of said connector side walls (95, 105) and a slider comprising a first connector formation configured to engage with said intermediate connector (92, 102) and at least one second connector formation configured to retain said wiper blade; wherein said first rib (96, 106) is configured to engage a spacer assembled at an end of said wiper arm, said first slot (99, 112) extending upward on said first connector side wall (95, 105) and through said main wall (94, 104) providing a passageway (99, 112) for said first latching nose; and characterized in that said intermediate connector (92, 102) comprises a pin configured to engage with said first connector formation of said slider and wherein each of said first and second slots (99, 112) further comprises a first leg (99A, 112A) generally extending vertically, a longitudinal second leg (99B, 112B) extending away from said first leg (99A, 112A), and a detent (99C, 112C) to positively restrain said respective latching nose within said second leg (99B, 112B).