A connector cap of a trigger sprayer is integrally formed with the sprayer housing of the trigger sprayer. The connector cap has a flexible cylindrical sidewall of varying thicknesses that enables the cap to be flexed and snap fit on a bayonet-type connector of a bottle neck by pressing the cap downwardly onto the bottle neck. The different thicknesses of the sidewall allow portions of the sidewall to flex, while maintaining a smooth, cylindrical exterior surface appearance of the sidewall.
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