Challenger is a biodegradable alternative to hazardous solvent-based cleaners that can stand up to any residential or commercial cleaning task. Challenger is a biodegradable alternative to hazardous solvent-based cleaners that can stand up to any residential or commercial cleaning task. Challenger is available in convenient spray bottles, as well as cost-effective concentrated containers that can be diluted to the appropriate strength. Water-based, yet more effective than many solvent-based cleaners, Challenger will not harm plants or foliage. Challenger can help you tackle most cleaning applications: Interior surfaces like walls, windows, or carpets; Exterior surfaces like outdoor furniture, garbage cans, or aluminum siding; Industrial applications like trucks, heavy equipment, or restaurant filters. Whatever your cleaning application, Challenger can get the job done. Comes in a 32 oz. triggered spray bottle for easy application Easy to mix, easy to use Water soluble for safe interior cleaning Biodegradable for safe exterior cleaning Won't harm foliage or plants Tough on grim and grease Great for residential, commercial, or industrial use