About Bulls Eye 1-2-3® PLUS Primer Get the ultimate performance with our most advanced interior/exterior primer: Rust-Oleum® Zinsser® Bulls Eye 1-2-3® PLUS Primer. This next-generation, zero-VOC, water-based formula is the one primer you need for every professional or DIY project. Advanced Technology Primer Great for all projects– interior and exterior Completely blocks all stains- water, tannin bleed, smoke and more Penetrates and seals porous surfaces Takes the guesswork out of primer selection Low-VOC, low odor water-base formula