Made of two layers of pleated and perforated cardboard (optionally sew limited stripe which makes it easier to strip the filter) accordioning structure
Self-supporting, two-layer, durable paper cardboard
Are used to purify the air of atomized
Applied to enamel, lacquers, adhesives, dyes, glass fibre
High performance at low cost of assembly and disassembly
High absorbency and ecological construction
No migration phenomenon of dust from the upper layers of the filter to the bottom, as is the case when using filters with fiberglass
Long life filters due to their very high storage capacity, which caused costs reduction of their exchange