The domestic flue brush kit is designed for the cleaning and maintenance of various domestic oil and gas fired boilers. It includes three nylon brush heads of different sizes (50mm dia x 305mm long, 50mm dia x 203mm long, and 50mm dia x 12.5mm long), two extension rods (305mm and 125mm), a brush elliptical head (nylon, 50mm dia x 305mm long), and a 300mm flat cleaning blade. This set is ideal for accommodating various flue sizes and shapes, making it perfect for domestic flue cleaning.