Premium Quality: The bristles are composed of hard PP wire and stainless steel wire, which can easily take away dust and fluff deposits; wooden handles, comfortable grip; scratch-resistant rubber protective caps on the top of the brush head.(TIP: Please wear gloves before use to better protect your hands) Efficient and Flexible: Full length 29inches/73cm brush can go deep into the appliance to clean blind areas; hard brushes can effectively clean deep dust and fluffy deposits to prevent dust accumulation from causing fire hazards. The flexible brush head can bend at multiple angles to clean the appliance. Good compatibility: suitable for most types of radiators, dryer lint and washing machines, very suitable for cleaning ventilation ducts, outdoor sinks, and the bottom of furniture and appliances. Reduce Risk: Dust removal reduces the mixing of warm air and dust particles, improves air quality, helps improve the efficiency of the radiator, indirectly saves fuel costs, and effectively avoids potential fire risks. Easy to Clean and Storage: The hard bristles are easy to clean, and the lanyard is very convenient for storage. Product Features: Made of hard PP wire and stainless steel wire,stable and durable. Transparent and good water resistance. Effectively remove deep-seated dust and prevent the accumulation of dust from causing fire hazards Suitable for most types of radiators, dryer lint and washing machines