Keep your carpets looking fresh and protected with Rug Doctor Carpet Detergent, 4 Litre. This advanced detergent cleans, deodorizes, and rejuvenates your carpets, while also protecting them from future stains and spills. It's infused with SpotBlok stain repellent, which offers long-lasting protection and helps prevent future marks. The formula leaves carpets fresh with a pleasant lemon fragrance and is safe to use with Rug Doctor machines. The detergent contains effective ingredients like non-ionic surfactants to deliver a deep clean. Important note: when using this detergent in a non-Rug Doctor machine, follow the manufacturer's instructions for optimal results.