As a primary filter particle whose diameter more than 1 micro meter can be removed, the maximum residual oil content in negligible.
AFTER FILTER
High efficiency general protection, dust particles, water mist & oil mist whose diameter more 0.01 micro meter can be removed, the residue content of oil mist does not exceed 0.6 MG/M^3 (21°C). 1ppm(w)
CARBON FILTER
High efficiency oil removal filtration general, dust particles, water mist & oil mist whose diameter more 0.03 micro meter can be removed, the residue content of oil mist does not exceed 0.01 MG/M^3 (21°C). 0.01ppm(w)