I was able to find my original filters on your website. I placed my order and received my filters very quickly. They arrived in good condition and are a perfect fit. I will definitely order again from your company for my replacement filters in the future.
Electrical: AC 24V 50/60Hz. Expanded range ballast
Compatible with the following filter models: PD540010, 540010S, 540010, 1404399746465
IPG®, now improved with carbon fiber ionization brushes for increased ion production, is a unique bi-polar ionization system providing your air with both positive and negative ions that encourages airborne particles to gather together, making your existing air filter system more efficient than ever before.