Medify MA-40 Genuine Replacement Filter for Allergens, Smoke, Wildfires, Dust, Odors, Pollen, Pet Dander | 3 in 1 with Pre-filter, HEPA and Activated Carbon for Removal to 0.3 Microns | 2-Pack
Show full titleShow less
Good price
$107.99 is 6% below the $115.76 it normally sells for.
- Now
- $107.99
- Normally
- $115.76
- Lowest in 144 days
- $97.99(Sep 21)
- Highest
- $119.98
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
Price history
Tracked since Jun 22 · 144 days · 114 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 6% below its normal price of $115.76. Medify MA-40 Genuine Replacement Filter for Allergens, Smoke… price history, checked Nov 13, 2026: current price $107.99, normal (typical) price $115.76, average $111.67 over 144 days, lowest $97.99 (Sep 21, 2026), highest $119.98 (Oct 31, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $115.76
- 5% or more below normal
How often does it drop below normal?
In the 144 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 7 times, typically lasting about 4 days. The last time ended Oct 22. It's below normal right now, for less than an hour so far. Brief dips under an hour (27) aren't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$107.99
Amazon.comFulfilled by Amazon · Seller rating 100%
Used from
$91.14
Amazon ResaleFulfilled by Amazon
All 3 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Amazon Resale | Used - Like New | $91.14 | Yes | — |
| Amazon.com | New | $107.99 | Yes | 100% |
| Medify Air | New | $107.99 | No | 88% of 4,188 |
More real deals in Home
Great price: −68% vs normalConsciot Ceiling Fan With Lights 30 Inch, Kids Ceiling Fan Black Modern, Flush Mount, Reversible Quiet DC Motor, 6 Speed, Dimmable, Kitchen Bedroom Patio
Rated 4.4(757 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$26.95
normally $84.23
Great price: −64% vs normalCOOLECH 4-IN-1 Portable Air Conditioners w/3.2-Gal Tank for 24H Cooling, 4 Wind Speeds & 4 Modes, LED Touch Screen, Waterless Alert System & 12H Timer, Remote, Windowless Air Conditioner for Bedroom
Rated 2.3(63 ratings)Lowest in 45 days
Unusually large drop. Confirm on Amazon.
$26.14
normally $74.25
Great price: −63% vs normalRelaxdays Badminton Net, Height-Adjustable up to 225 cm, Tennis Equipment, with Stands & Carry Bag, Outdoor, Black/Blue
Rated 4.3(68 ratings)
Unusually large drop. Confirm on Amazon.
$35.66
normally $97.06
Great price: −52% vs normalShop-Vac 5801411 14-Gallon 5.5 Peak HP Wet/Dry Vac with Blower Function | 2.5" x 7-ft Hose, 20-ft Cord, Built-in Drain, Heavy-Duty Suction, Durable, for Home, Garage, Workshop
Rated 4.5(109 ratings)Lowest in 44 days
$54.98
normally $116.00
Great price: −50% vs normalNARWAL Freo X Plus Robot Vacuum and Mop, 7-Week Dust Storage, 7800Pa Suction, Zero Tangles, Tri-Laser Obstacle Avoidance, LiDAR Navigation, Self Vacuum Cleaner for Pet Hair, Hard Floor, Carpet
Rated 4.0(589 ratings)Lowest in 44 days
$159.98
normally $325.59
Great price: −48% vs normalWMF Profi Plus Serving Spoon, Ladle, Cromargan Partially Matted Stainless Steel, Plastic
Rated 4.7(421 ratings)Lowest in 43 days
$45.00
normally $87.31
Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B0819583PQ \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0819583PQ", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B0819583PQ",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B0819583PQ",
"title": "Medify MA-40 Genuine Replacement Filter for Allergens, Smoke, Wildfires, Dust, Odors, Pollen, Pet Dander | 3 in 1 with Pre-filter, HEPA and Activated Carbon for Removal to 0.3 Microns | 2-Pack",
"image": "https://m.media-amazon.com/images/I/71Tk8DoNBFL._AC_SL500_.jpg",
"currency": "USD",
"category": "Home",
"category_label": "Home",
"in_stock": true,
"price": {
"current_cents": 10799,
"reference_cents": 11576,
"discount_pct": 6.71,
"is_deal": true,
"observed_at": 1794610235073,
"changed_at": 1794610235073,
"checked_at": 1794610235073,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 6.71,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $107.99 is 6% below the $115.76 it normally sells for."
},
"listing_claim": null,
"stats": {
"min_cents": 9799,
"max_cents": 11998,
"avg_cents": 11167,
"history_days": 144,
"price_levels": 315,
"price_changes": 114,
"distinct_prices": 11,
"lowest_at": 1789957438010
},
"history": [
{
"price_cents": 11998,
"from": 1792687714755,
"to": 1793471781681
},
{
"price_cents": 10799,
"from": 1793474831782,
"to": 1793474831782
},
{
"price_cents": 11576,
"from": 1793475797841,
"to": 1793475797841
},
{
"price_cents": 11998,
"from": 1793475936867,
"to": 1794597234762
},
{
"price_cents": 10799,
"from": 1794610235073,
"to": 1794610235073
}
],
"last_seen": 1794610274123
}
// … 310 more steps in the full responseNormal 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.