The super-efficient A3™ Medium Filter combines Vacuum-metalized nano-silver and Active Carbon to eliminate 99% of bacteria, 80% of dust and 40% of odors. The powerful combination of these 2 media provide strengthened efficiency in a super-economical product.

• Nano-Silver and Vacuum Metallization provide superior anti-bacterial properties.
• The Impregnated Activated Carbon provide excellent removal of harful gases and foul odors.
• Improved dust collection is achieved through intelligent design; the font and back holes of the filter are different sizes.
• The economical, re-usable A3™ Medium filter can be vacuumed up to 40 times.