When the soldering smoke is drawn in. The 1st layer pre-filter filters out the large particles in the exhaust. The 2nd layer of the hepa filter immediately afterwards filters most of the dust below 0.3 microns. Finally, the fume residue is completely filtered by the 3rd layer of main carbon..

HIGH PURIFICATION RATE-When medium hepa filter and main carbon filter are combined, the purification effect is 99.97%. HIGH SERVICE LIFE-Up to 4700 hours of continuous service life HIGH QUALITY-Sturdy and durable Package Contents - Pre-filte*5,Medium hepa filter*1,Main carbon filter*1 No AFTER-SALES WORRIES-Any quality problems can always contact us to return..

Features: High Purification Efficiency - 99.97% purification when the medium hepa filter and the main carbon filter are combined. High service life - up to 4700 hours of continuous service life High quality - durable Package Contents Pre-filter*5Medium-sized high-efficiency filter*1Main Carbon Filter*1High-efficiency filter element*1No After-Sale Concerns - Any Quality Problems..

When the soldering smoke is drawn in. The 1st layer pre-filter filters out the large particles in the exhaust. The 2nd layer of the hepa filter immediately afterwards filters most of the dust below 0.3 microns. Finally, the fume residue is completely filtered by the 3rd layer of main carbon..

When the soldering smoke is drawn in. The 1st layer pre-filter filters out the large particles in the exhaust. The 2nd layer of the hepa filter immediately afterwards filters most of the dust below 0.3 microns. Finally, the fume residue is completely filtered by the 3rd layer of main carbon..

Features: High Purification Efficiency - 99.97% purification when the medium hepa filter and the main carbon filter are combined. High service life - up to 4700 hours of continuous service life High quality - durable Package Contents Pre-filter*5Medium-sized high-efficiency filter*1Main Carbon Filter*1High-efficiency filter element*1No After-Sale Concerns - Any Quality Problems..

When the soldering smoke is drawn in. The 1st layer pre-filter filters out the large particles in the exhaust. The 2nd layer of the hepa filter immediately afterwards filters most of the dust below 0.3 microns. Finally, the fume residue is completely filtered by the 3rd layer of main carbon..