What sizes are available? January 24, 2023 21:34 Currently available in the most common 6 sizes. We plan on adding more sizes based on demand. 12X24X1” 16X20X1” 16X25X1” 20X20X1” 20X25X1” 20X30X1” Related articles How much square footage does AirDoctor 3000/3500 cover? AirDoctor cost per speed per setting Does AirDoctor capture mold? What are AirDoctor 5000/5500's dimensions and weight? What is the purpose of the Ionizer?