A closure assembly for a container of a spray system, the closure assembly comprising: a closure; and a dispensing fitment, said closure including a closure body, and a closure cap, said closure body having an upper deck, a tubular hub extending downwardly from said upper deck, an annular outwardly threaded fitment neck extending upwardly from said upper deck and surrounding said tubular hub, an annular recessed fitment seat surrounding said annular outwardly threaded fitment neck, and a skirt extending downwardly from a closure deck, said hub having a bottom wall and an entrance orifice within said bottom wall, said hub further including a sleeve wall extending downwardly from said bottom wall for receiving therein a dispensing tube, said recessed fitment seat having a vent hole radially spaced from said hub, said skirt being configured and arranged for engaging a neck of a container, said dispensing fitment including a fitment body, an arbor extending downwardly from said fitment body, an annular inwardly threaded sealing wall extending downwardly from said fitment body, a dispensing neck extending upwardly from said fitment body, and a flow conduit extending longitudinally through said arbor, said fitment body and said dispensing neck, said annular inwardly threaded sealing wall being threadably received with said annular outwardly threaded fitment neck of said closure while said arbor is slidably and rotatably received in interfitting mating relation within said hub of said closure body, said dispensing fitment being rotatably and linearly movable relative to said closure between a lower closed position where a lower peripheral edge of said annular inwardly threaded sealing wall is in engagement with said annular recessed fitment seat to block said vent hole and an upper open position where said lower peripheral edge of said annular inwardly threaded sealing wall is spaced upwardly from said vent hole allowing air to pass through said vent hole. a closure; and a dispensing fitment, said closure including a closure body, and a closure cap, said closure body having an upper deck, a tubular hub extending downwardly from said upper deck, an annular outwardly threaded fitment neck extending upwardly from said upper deck and surrounding said tubular hub, an annular recessed fitment seat surrounding said annular outwardly threaded fitment neck, and a skirt extending downwardly from a closure deck, said hub having a bottom wall and an entrance orifice within said bottom wall, said hub further including a sleeve wall extending downwardly from said bottom wall for receiving therein a dispensing tube, said recessed fitment seat having a vent hole radially spaced from said hub, said skirt being configured and arranged for engaging a neck of a container, a closure body, and a closure cap, said closure body having an upper deck, a tubular hub extending downwardly from said upper deck, an annular outwardly threaded fitment neck extending upwardly from said upper deck and surrounding said tubular hub, an annular recessed fitment seat surrounding said annular outwardly threaded fitment neck, and a skirt extending downwardly from a closure deck, said hub having a bottom wall and an entrance orifice within said bottom wall, said hub further including a sleeve wall extending downwardly from said bottom wall for receiving therein a dispensing tube, said recessed fitment seat having a vent hole radially spaced from said hub, said skirt being configured and arranged for engaging a neck of a container, said dispensing fitment including a fitment body, an arbor extending downwardly from said fitment body, an annular inwardly threaded sealing wall extending downwardly from said fitment body, a dispensing neck extending upwardly from said fitment body, and a flow conduit extending longitudinally through said arbor, said fitment body and said dispensing neck, said annular inwardly threaded sealing wall being threadably received with said annular outwardly threaded fitment neck of said closure while said arbor is slidably and rotatably received in interfitting mating relation within said hub of said closure body, said dispensing fitment being rotatably and linearly movable relative to said closure between a lower closed position where a lower peripheral edge of said annular inwardly threaded sealing wall is in engagement with said annular recessed fitment seat to block said vent hole and an upper open position where said lower peripheral edge of said annular inwardly threaded sealing wall is spaced upwardly from said vent hole allowing air to pass through said vent hole. a fitment body, an arbor extending downwardly from said fitment body, an annular inwardly threaded sealing wall extending downwardly from said fitment body, a dispensing neck extending upwardly from said fitment body, and a flow conduit extending longitudinally through said arbor, said fitment body and said dispensing neck, said annular inwardly threaded sealing wall being threadably received with said annular outwardly threaded fitment neck of said closure while said arbor is slidably and rotatably received in interfitting mating relation within said hub of said closure body, said dispensing fitment being rotatably and linearly movable relative to said closure between a lower closed position where a lower peripheral edge of said annular inwardly threaded sealing wall is in engagement with said annular recessed fitment seat to block said vent hole and an upper open position where said lower peripheral edge of said annular inwardly threaded sealing wall is spaced upwardly from said vent hole allowing air to pass through said vent hole.