3M Filtrete Air Intake Round Set Filter, Type, S, AVF-S

Diameter 160mm 113g Cover 1pc / Base (S size) 1pc / High-grade filter 2pcs For air supply port Simply attach it to the air intake to add an "air purification function". The electrostatic filter captures and holds onto invisible particles such as pollen. Compatible air intake vent size: Diameter 12-15cm ●Compatible air intake vent sizes: For circular air intake vents only: Diameter 12cm to 15cm (a minimum of 3cm of space is required around the air intake vent, and a minimum of 4cm of space is required in front of it) ●Set contents: Base (S size) x 1, Cover x 1, High-grade filter x 2 ●Size/Base: Diameter 140 x Thickness 26 mm, Cover: Diameter 170 x Thickness 20 mm, Filter: Diameter 160 mm ● Estimated usage period: 1.5 to 2 months (may vary depending on the room's building structure and environment) ●Capable particles: Particles larger than 0.3 micrometers (pollen, dust, mold spores, dead mites and their feces, pet hair and dander, bacteria) *Not a guaranteed value ●Unit/1 set ●Manufacturer part number: AVF-S *This product is for use with circular air intakes only. It cannot be used with square air intakes. *A space of at least 3 cm is required around the air intake and at least 4 cm in front of it. *The size of particles that can be captured is a reference value and not a guaranteed value. Simply attach it to the air intake of your room to add an "air purification function"! Easy installation!