Large nozzle opening to maximize volume per burst Fastest-acting Most reliable Stream spray pattern reaches 20 feet. All Five Point Three formulas are oil based, taser safe and non-flammable. Fox premium defense sprays provide the fastest-acting and most reliable formulas available. They also use the largest nozzle openings, meaning instead of discharging only a gram or less of formula per second burst, these units discharge an astounding 3 grams! The primary benefits of discharging a greater volume per burst are increasing your odds of hitting your assailant in the face and eyes with the incredible FOX formula, thereby stopping them faster.