The Helios ELFBR 100 F7 is a replacement pocket filter designed for in-line air filter boxes LFBR. Manufactured from synthetic plastic with a weight of 64 g/m², this filter provides efficient dust retention with a capacity of 88.6 g/m². Classified as ISO ePM1 50% (F7), it ensures effective filtration performance. The filters come in packs of two for easy replacement and maintenance.