Several formulations to meet both year-round and regional needs. PEAK® Deicer with Rain-Off is a premium winter season formula. The advanced formula enables you to more clearly see the road and will not freeze on the windshield. PEAK® Windshield Wash is a conventional blue all-season windshield cleaner that is safe to use in any vehicle. PEAK® Eco Windshield Wash offers a better, natural solution for keeping your windshield clean by utilizing natural cleaning agents, to help power through dirt and grime.