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Sinex SEVERE Nasal Spray delivers a powerful, ultra fine mist that targets nasal congestion and sinus pressure at the source, providing up to 12 hours of relief. With 265 sprays per bottle, it offers a reliable solution for severe sinus congestion caused by colds or allergies. This HSA/FSA eligible decongestant works faster than oral tablets by directly reducing swelling in nasal membranes, making it an essential tool for professionals seeking quick, effective relief without daily use.






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