CarPro Reload Spray Sealant 1 Liter Refill Give your vehicle the durable glass-like protection of Reload Spray Sealant. It's a water-based, spray-on glass membrane coating so the finish is literally glassy smooth and reflective. Reload Spray Sealant repels dirt and water. Use it alone for up to six months of paint protection or as a booster over CQuartz.