HEY Cleaning Technology are innovative, lightweight and portable Kitchen Exhaust cleaning machines. All come with 3 YEAR WARRANTY. The package includes: - HEY Brush either 15m or 30m. The HEY Brush is pneumatic. The only grease brush which is small and compact. - HEY Foam BOX small and compact foaming machine which is lightweight and portable to get into small tight areas. No mains water needed and has its own built in compressor. - HEY Centraliser: Simple to use manual centraliser you put it into the duct and open the legs to the correct size and clamp it together. - HEY Chemicals special developed to work with the FOAM BOX and HEY Brush to compliment the machines to ensure cleaning is easy. We have 4 products which each clean different types of grease.