This cleaner REALLY works! Folex F65 FSR36 Folex Carpet Spot Remover 36Oz by Folex. $64.80. The Folex 36 oz. Carpet Spot Remover (12-Pack) is a concentrated liquid cleaning agent formulated to remove spots and stains from colorfast carpets or material that can be safely water dampened. The cleaner helps remove stains from walls wood clothing and upholstery.All-purpose stain removerConcentrated formula removes dirt grease rust food and beverage blood.