with at least one of the end nozzles being spaced from one of the end cross bars 44 by 2 75 inches additionally the nozzles 50 have a u00bd u2033 27 pipe thread for being coupled to the i shaped torso 40 also as shown in fig5 in a preferred embodiment each of the nozzles 50 is a brass flat fan spray nozzle with an orifice of 0 057 inches and spray angle 87 of 50 degrees fig6 depicts a spray pattern that can be achieved using the device 5 in accordance with the preferred embodiments in fig3 b 4a 4 b and 5 given a height of the top side 85 of the i shaped torso 40 of 4 inches which is about half of the generally accepted height of an average sedan e g 8 inches fluid emanating from the three nozzles 50 covers continuously a wide area 100 of the underbody that is 4 inches above the nozzles if the device is provided under a larger vehicle such as a sport utility vehicle suv having generally an underbody height of 11 inches off of the ground a larger area 105 is continuously impacted by fluid from the nozzles 50 if the device is provided under a smaller vehicle such as a compact car having generally an underbody height of 7 inches off of the ground a smaller area 110.