Wide trigger, ergonomic shape and textured grip for user comfort. Better coverage on mist setting and high output - up to 30% more than competition. Primes in 4-5 strokes. No leak design. Can be used as a reshipper. Patented "anti back-off" system will not accidentally become disengaged when used with 5024AB 24 oz. or 5032AB 32 oz. bottle.