Professionally spray almost anything. Not just paint, you can now fill with almost any liquid!! Preval is a professional spray system and one unit will spray 4 times more liquid than the average rattle can, with no adulteration and a quarter the propellant. Get featured in our news and tell us what you spray with your preval? Tell us how you use Preval by emailing info@preval.com and you will automatically be entered to win a free trip for two to Las Vegas (over a $1000 value), see contest details in our NEWS section.