【Air filter retrofit kit include】2×F37-1018 Air Filter.
【Installation】No modification to the electrical system is required, plug-and-play, direct fit. The air filter is a necessary tool to improve air quality and provide you with a healthy environment. Keep HVAC system in good condition.
【Quality Assurance】You can enjoy a 12-month warranty in our shop. Our shop guarantees to provide the best quality filters, where you can spend the least money to buy the best products. In addition, we will provide you with lifetime technical services. If you have any questions, you can contact us and we will solve it for you.