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3M Ear Plugs with Cord, E-A-Rsoft Superfit 311-1254, Foam, NRR 33 | 200/Box, 1/Poly Bag, Disposable, Drilling, Grinding, Machining, Sawing, Sanding, Welding

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Rated4.0(18 ratings)In stock

Good price

$76.00 is 7% below the $82.26 it normally sells for, and the lowest we've seen in 139 days.

Now
$76.00
Normally
$82.26
Lowest in 139 days
$76.00(Nov 12)
Highest
$91.44
Evidence: Strong139 days tracked270 price changes

Where today's price sits

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

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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $76.00. 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

Holds up

The listing shows

crossed out: Typical $80.81 −6%

Against its normal price

−7% vs $82.26

Typical $80.81 (−6%) holds up: today's price is 7% below normal.

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 25 · 139 days · 270 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 7% below its normal price of $82.26. 3M Ear Plugs with Cord, E-A-Rsoft Superfit 311-1254, Foam, NRR 33 price history, checked Nov 12, 2026: current price $76.00, normal (typical) price $82.26, average $85.76 over 139 days, lowest $76.00 (Nov 12, 2026), highest $91.44 (Nov 11, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $82.26
  • 5% or more below normal

How often does it drop below normal?

In the 139 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting less than a day. The last time ended Jul 6. It's below normal right now, for less than an hour so far. Brief dips under an hour (29) aren't counted.

A count of what happened, not a prediction.

More real deals in Industrial & Scientific

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B008MCU3EQ
Request
curl https://trackpin.co/api/v1/product/B008MCU3EQ \
  -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 01:47 UTC
{
  "asin": "B008MCU3EQ",
  "title": "3M Ear Plugs with Cord, E-A-Rsoft Superfit 311-1254, Foam, NRR 33 | 200/Box, 1/Poly Bag, Disposable, Drilling, Grinding, Machining, Sawing, Sanding, Welding",
  "image": "https://m.media-amazon.com/images/I/51wKVi4eQjL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 7600,
    "reference_cents": 8226,
    "discount_pct": 7.61,
    "is_deal": true,
    "observed_at": 1794444777635,
    "changed_at": 1794444777635,
    "checked_at": 1794444777635,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 7.61,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $76.00 is 7% below the $82.26 it normally sells for, and the lowest we've seen in 139 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 8081,
    "claimed_pct": 6,
    "real_pct": 7.61,
    "class": "holds_up",
    "observed_at": 1794444784591
  },
  "stats": {
    "min_cents": 7600,
    "max_cents": 9144,
    "avg_cents": 8576,
    "history_days": 139,
    "price_levels": 459,
    "price_changes": 270,
    "distinct_prices": 13,
    "lowest_at": 1794444777635
  },
  "history": [
    {
      "price_cents": 8875,
      "from": 1794413765743,
      "to": 1794413765743
    },
    {
      "price_cents": 7600,
      "from": 1794419519031,
      "to": 1794419519031
    },
    {
      "price_cents": 8875,
      "from": 1794420898720,
      "to": 1794420898720
    },
    {
      "price_cents": 9144,
      "from": 1794439153007,
      "to": 1794439153007
    },
    {
      "price_cents": 7600,
      "from": 1794444777635,
      "to": 1794444777635
    }
  ],
  "last_seen": 1794444784591
}
// … 454 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.