Eastwood\'s Zero-VOC Universal Reducer improves atomization and flow-out Works with Eastwood Urethane Paints... Eastwood European Urethane Clears... Eastwood Gray or Black Epoxy Primers.. Zero VOCs.. This reducer makes painting easier by improving atomization and flow-out of Eastwood urethane paints and epoxy primers. Universal Reducer - If you want to improve atomization and flow-out of any of the Eastwood urethane paints, 50250ZP, 50251ZP Urethane Clear, and Eastwood Epoxy Primers 50242ZP, 50244ZP. This blend of VOC exempt solvents make this reducer safe and legal to use even in regions with low VOC limits.