The Helios LF 315 air filter is engineered for wall and ceiling mounting, providing a clean and efficient solution for covering internal duct and ventilation openings. It features a high-quality light grey polymer frame with an integrated egg crate grille for consistent airflow. The unit includes a synthetic fibre filter mat rated ISO Coarse 30% (G2), offering excellent dust retention and low pressure drop. The mat is thermally bonded and meets fire resistance standards DIN 53438 F1. With a large cross-sectional filter area and a dust storage capacity of 380 g/m², the LF 315 ensures reliable air filtration and long service life in residential, commercial, or light industrial applications.