Mercury - Vented Splash Cover Verado Series White Polysoft II Fabric 8M0228521. Overview. If you've ever come back to the dock with the wind in your face and spray coming over the bow, you know how fast an engine cowling can go from clean to crusted. Most of us don't mind a little mess, but we do care about keeping our gear in good shape-especially when it's a Verado sitting back there. This vented splash cover is the kind of protection you don't think about much once it's on, and that's exactly