Comprehensive AC Maintenance Kit: The set includes a dual-sided evaporator coil cleaning brush and a robust Metal fin comb, designed to remove dust and grime efficiently. This combination prevents premature failure of your HVAC system, ensuring long-lasting performance. Efficient Cleaning and Maintenance: Featuring a smooth stainless steel pin brush, our evaporator coil cleaner effectively dislodges dirt from coils. The fin straightener is optimally stiff, allowing you to reshape fins without causing damage, maintaining the integrity and efficiency of your unit. Cost-Effective Solution: Regular use of the cleaning set can significantly reduce your energy bills by keeping the AC coils clean, eliminating the need for expensive maintenance from professional services. A small investment in cleaning can lead to substantial savings on operational costs. Optimal Performance Year-Round: To prevent efficiency losses and potential breakdowns, it's recommended to clean your AC unit's coils every three to four months. Our kit ensures your air conditioner operates at peak efficiency throughout the year, regardless of the season. Versatile Tool Set: Ideal for a variety of applications, this brush set can be used on air conditioner units, refrigerators, and radiators. Whether you're a professional or a DIY enthusiast, this tool kit is essential for maintaining various cooling and heating equipment. The actual product may have slight color difference or difference, which will not affect the use Colour:Photo Color Material:Plastic + Metal Package Contents: 1 x Fin Comb 1 x Dual-Sided Evaporator Coil Cleaner Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.