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Asphalt Seal Coating’s ASD550 Asphalt Seal Coat Sprayer is a larger version of its 325 Asphalt Seal Coat Sprayer System. If you need more seal coat storage for larger Asphalt Sealing jobs, the ASD550 is an excellent choice. It comes with all the features as the ASD 300 system including the diffuser mister which gives you a very uniform seal coat mix. We use our rugged Industrial 6.5 HP Sterling transfer pump to give you the needed horsepower you need. This is an ideal asphalt seal coat sprayer for trailer or truck bed installation. In addition, a built-in suction port is included, allowing you to draw seal coat from another asphalt seal coat tank which keeps you on the job longer without refill trips and wasting precious time. A 50 steel wand is included with a 80/40 tip installed which will deliver a 5 wide spray pattern when you run your pump at higher RPMs, and 50″ of 3/4 200 PSI oil resistant hose.