The Helios Fans ZLA 125 IB 30 is an inner panel designed to complement the ZLA 125 air intake system. Manufactured from robust white polymer, it ensures a steady and controlled air supply at a constant volume of 30 m³/h. The panel includes an integrated coarse dust filter rated ISO Coarse 30%, offering effective filtration of larger airborne particles to maintain indoor air quality. Ideal for balanced ventilation in residential and light commercial environments, this component combines durability with reliable airflow performance.