Since 1985 Pro-Tek™ customers have been refilling their cleaning bottles and keeping single use plastics out of landfills–all without compromising cleaning power. Pro-Tek™’s nontoxic, natural formula is tough on grease and safe for waterways and pets. One bottle dilutes to clean just about everything. And now you can use even less plastic than before! Send us your empty Pro-Tek™ bottle. We’ll refill it at a reduced price and ship it back to you FREE. No one has a more robust recycle and reuse program than Pro-Tek™.