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This is a two-pack of replacement prefilters for the Alen BreatheSmart 75i air purifier. The prefilter is the first stage: it traps larger particles like dust, pet hair and lint before they reach the main HEPA filter, and it can be pulled out and vacuumed instead of replaced every time. Keeping it clean helps the 75i hold airflow and extends the life of the costly main filter. It suits 75i owners who want to protect their main filter and cut down on dust and pet hair; the trade-off is that it is a consumable, so owners go through them and some report fit issues.
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Lowest price we've seen: $19.99 on Nov 8 at ALEN. Tracked across 1 store since Nov 8.
Buyers mostly report that the prefilters fit the 75i and do their job, with several saying they helped with allergies and that the replacements had no smell. The main complaints are fit: some arrive bowed and do not lay flat, and a few say it seems slightly too big.
This is a replacement prefilter for the Alen BreatheSmart 75i air purifier. It captures larger particles such as dust and cat or dog hair before they reach the main air filter.
Keeping the prefilter clean extends the life of the air filter and helps the purifier work at peak efficiency. The prefilter can be removed and cleaned by vacuuming. Heavily soiled prefilters can be discarded and replaced with a fresh one.
