Company registration number: 06866013 | VAT number: GB 865368680 Kinfill starter kit. Due to its neutral pH value, it’s suitable for use on natural stone, wooden and concrete floors. Designed to reduce single-use plastic, the kit includes a luxurious looking bottle made of Italian glass, as well as 10ml of cleaning concentrate in the floral fragrance, Naranja N°55. To create the cleaner, mix the concentrate with cold water in the bottle. Use the matching concentrate when you need a refill.