The Helios ELFBR 160 G4 replacement filter mats are designed for use in LFBR in-line air filter boxes. Made from synthetic fiber, these filters meet the ISO Coarse 70% (G4) classification and can endure temperatures up to 100°C. They comply with fire safety standard DIN 53438 F1, are self-extinguishing, and can be regenerated 10 to 15 times. Offering a dust holding capacity of 122 g/m², the filters are supplied in packs of five for easy replacement.