Bel-Art Polypropylene Trigger Sprayers w/ 53mm Adapters (Pack of 2) (F11620-0050) Perfect for OSHA compliant 16oz and 32oz Scienceware non-vented, wide-mouth wash bottles Stainless steel, spring-action pump in the trigger sprayer will not corrode with repeated exposure to 10% bleach disinfecting solution Made from durable, chemical resistant polypropylene Sprayer without adapter fits most bottles with a 28mm opening Sprayer with adapter adds approx. 5.5" height to a bottle