6 colorcoded fin combs for air conditioners: sizes range from 8 to 20 inches, with each color representing a specific fin size for fast, accurate selection. Durable, lightweight PP construction: quality polypropylene provides longlasting strength while keeping the set easy to handle during maintenance. Key benefits: straightens bent fins and removes debris from condenser and evaporator coils; improves airflow and heat transfer, which can help reduce energy use. Versatile use: suitable for straightening fins and cleaning coils on window units, splitsystem condensers, and portable ACs. Practical applications: ideal for HVAC technicians on service calls; home owners performing seasonal AC maintenance; office or building maintenance teams keeping commercial units efficient. How to use: choose the matching color for your fin size, gently glide the comb along the fins to realign bent sections, and use to sweep away loose dirt between fins and coils. Additional notes: compact and easy to store; no tools required; handle with care to avoid overbending.