MasonWays Dual and Single Windshield Service Centers come with optional easy-to-change slide-in signage poster frames for advertising and promotional sales. Posters create advertising visibility for traffic passing your site as well as those fueling their vehicles. These durable, economically priced units are designed for locations requiring a complete all-in-one valet for the customers convenience to clean their windshields while filling up and refuse disposal. Units hold 58 or 116 gallons of refuse, come with large capacity water buckets and towel dispensers for convenience at your pump islands. Optional advertising frames for posters to grab the attention of customers while filling up drives additional sales in-store.