2 x polyester folded filter cassettes with insertion rib, IFA (BIA) certified filter in accordance with dust class “H” (HEPA 14)
– Filter surface area: 8600 cm 2
– Material: 1st layer: cellulose; 2nd layer: glass fibre fleece; 3rd layer: polyester
– Dust retention: 99.995%
As folded filter cassette FKP 4300, but with an additional filter layer for separating suspended materials which are not absorbed by the first layer. Due to the extremely high separation grade, this filter is classified in the H (HEPA) filter class.