8-Pack Air Purifier Filter for BlueAir 400 Series Replacement Filter - Compatible with Blue Air Classic 400 Series Filters 480i 405 403 402 410 450E 455EB HEPA H13

H13 HEPA at 99.95% efficiency - this replacement filter for Blueair Classic 400 series purifiers is built to the same filtration standard your unit was designed around. Not a lookalike, not a compromise - the same grade.At 0.3 microns, the H13 media captures 99.95% of what floats through your indoor air - the fine stuff you cannot see but your body notices. Your purifier was engineered to run on this level of filtration, and this filter keeps it there.The fit matches your original filter dimensions. It sits snug inside the housing so air moves through the media, not around the edges. That is how your purifier was built to work, and this filter maintains that standard.Swapping takes a few minutes with no tools. Pull the old filter, position the new one, close the cover. Your purifier goes right back to the performance level that made you choose it.If you have been putting off a filter change because you were unsure about aftermarket quality - this one settles that.Please note: This is an UpStart Components brand replacement part, not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by Upstart Components. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners.

• CONFIRMED COMPATIBILITY: H13 HEPA replacement filter for Blueair Classic 400 series. Matches your original filter specs - drops right in, fits like the one that came with your unit.
• H13 HEPA STANDARD: 99.95% at 0.3 microns - identical to the filtration grade in your original filter. Same technology, same standard, your purifier performs the way it did from day one.
• TACKLES INDOOR AIR: Captures 99.95% of what is floating in your home at 0.3 microns - from fine household debris to what furry friends leave behind. Your air feels noticeably different.
• PRECISION FIT: Dimensioned to match your original filter housing. The snug fit is by design - it ensures air passes through the H13 media instead of sneaking around the sides.
• QUICK INSTALLATION: No tools, no instructions needed. Slide out the old filter, slide in the new one. Your purifier is back to running at full capacity in a few minutes.