G Series 02 Perform® Thirst Quencher Instant Powder, 8.5 oz, Pouch, 1 gal Yield, Orange ORS NASCO Easy on off system for mounting Easy on off system for mounting welding helmets onto protective caps Fully adjustable Larger surface area means more air flows in and out of the mask without a valve Durable Dura Mesh® shell prevents collapsing from heat and humidity FlexFit® design fits the contours of the face and mouth for comfortable extended wear Soft foam nose cushion and pinch free nose bridge electrolytes and fluids they lose when they sweat Carbohydrates help stimulate rapid fluid absorption and fuel the active body