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HEPASilent, Polypropylene blend. Set of three filters similar to the 501 and 601 units. They are to be changed only once a year however, unlike every six months as the other Blueair models require.
Blueair is focused and the only company dedicated to only marketing air purifiers. This allows Blueair to be innovative in developing new air purifiers such as the AirPod personal air purifier, for which they are receiving rave reviews for innovativeness.
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HEPA Filter Efficiency: 0.9997
Product Overview & Specs
HEPASilent, Polypropylene blend. Set of three filters similar to the 501 and 601 units. They are to be changed only once a year however, unlike every six months as the other Blueair models require.
Blueair is focused and the only company dedicated to only marketing air purifiers. This allows Blueair to be innovative in developing new air purifiers such as the AirPod personal air purifier, for which they are receiving rave reviews for innovativeness.
# Compatible with Blueair 500 and 600 series air purifiers
# Replacement filter ensures up to 12 months of use.
# 3-stage progressive filter
# First layer absorbs large particles such as pollen and dust while the second and third layers capture smaller particles, including bacteria.
# Exhaust filter design
# Resists loading or clogging to continue filtration at peak performance levels.
# Nontoxic polypropylene design
# Water-resistant design for added convenience- 3-pack
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