Harvey Primer, Professional Grade, 4 oz Container, Dauber In Bottle Container, 9 lb Net Weight, Liquid Form, Clear, Ketone OdorScent, 5 to 8 deg F Flash Point, Composition Tetrahydrofuran, Methyl Ethyl Ketone, CyclohexanoneHarvey Clear Primer is a professionalgrade clear primer formulated for use on all schedules and classes of CPVC and PVC pipe and fittings.