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Membrane Solutions MSA3 Air Purifier for Home | Up to 1590 sq ft. H13 True HEPA Filter Air Purifier for Bedroom 22db, 100% Ozone Free Air Cleaner for Smoke, Pet Odor, Dust

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Rated4.5(10,117 ratings)In stock

Normal price

$89.09 is within 5% of the $87.99 it normally sells for.

Now
$89.09
Normally
$87.99
Lowest in 142 days
$87.99(Oct 8)
Highest
$139.99
Evidence: Strong142 days tracked15 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Not below normal

The listing shows

crossed out: List $109.99 −19%

Against its normal price

≈ 0% vs $87.99

This product has sold at or within 3% of $87.99 for at least about a week of the last 45 days, so today's price isn't below its normal price.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 142 days · 15 price changes

Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $87.99. A price below $87.99 would be a real deal. Membrane Solutions MSA3 Air Purifier for Home price history, checked Nov 12, 2026: current price $89.09, normal (typical) price $87.99, average $100.03 over 142 days, lowest $87.99 (Oct 8, 2026), highest $139.99 (Sep 17, 2026).

Loading the price chart.

  • Price
  • Normal $87.99
  • 5% or more below normal

Other ways to buy

  • New from

    $89.09

    Ravenna GlobalFulfilled by Amazon · Seller rating 100% of 1,594

More real deals in Health & Household

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B08ND7C7P4
Request
curl https://trackpin.co/api/v1/product/B08ND7C7P4 \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 01:46 UTC
{
  "asin": "B08ND7C7P4",
  "title": "Membrane Solutions MSA3 Air Purifier for Home | Up to 1590 sq ft. H13 True HEPA Filter Air Purifier for Bedroom 22db, 100% Ozone Free Air Cleaner for Smoke, Pet Odor, Dust",
  "image": "https://m.media-amazon.com/images/I/612l-CtwCqL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Health and Beauty",
  "category_label": "Health & Household",
  "in_stock": true,
  "price": {
    "current_cents": 8909,
    "reference_cents": 8799,
    "discount_pct": -1.25,
    "is_deal": false,
    "observed_at": 1794446586662,
    "changed_at": 1794211516274,
    "checked_at": 1794446586662,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": -1.25,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $89.09 is within 5% of the $87.99 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 10999,
    "claimed_pct": 19,
    "real_pct": -1.25,
    "class": "not_below_normal",
    "observed_at": 1794407602942
  },
  "stats": {
    "min_cents": 8799,
    "max_cents": 13999,
    "avg_cents": 10003,
    "history_days": 142,
    "price_levels": 216,
    "price_changes": 15,
    "distinct_prices": 6,
    "lowest_at": 1791421801748
  },
  "history": [
    {
      "price_cents": 8909,
      "from": 1792030857823,
      "to": 1793497159756
    },
    {
      "price_cents": 10999,
      "from": 1793516591604,
      "to": 1793591286437
    },
    {
      "price_cents": 9899,
      "from": 1793605063271,
      "to": 1794177606278
    },
    {
      "price_cents": 10999,
      "from": 1794187382085,
      "to": 1794204242344
    },
    {
      "price_cents": 8909,
      "from": 1794211516274,
      "to": 1794446586662
    }
  ],
  "last_seen": 1794446586662
}
// … 211 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.