2 X 1.5Lbottles ofBissellWash & Protect Super Tough Formula. This Wash & Protect formula is the toughest of the Wash & Protect formulas and really deals with dirt and stains. Supplied in a super value3Lpack this formula is fitted with the patentedScotchgardprotector that helps your carpet to resist further staining. This formula is double concentrated for extra value for money. Carpets look good and stay cleaner longer with this Bissell Super ToughWash & Protectformula.This formula is suitable for Bissell deep cleaning machines and all rental machines.The formula is easy to use. Simply mix 60ml of formula to every 3 litres of hand hot tap water. More specific instructions can be found in the owners manual of your Bissell deep cleaning machine.