FESS Nasal & Sinus Wash Extra Strength Saline Wash Refill Sachets are a deep penetrating, preservative free non-medicated hypertonic saline wash. FESS Nasal & Sinus Wash Extra Strength Saline Wash Refill Sachets consists of pre-mixed dry powder sachets. When mixed with warm water, the contents of each sachet will produce a 200ml saline wash.
