2nd Apr 2026, 01:07 AM
Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
Price may vary by location, shipping cost, and availability.
-79% Off
$43.98
$43.98
+ $34.72
Highest: $99.99
Average: $52.96
Lowest: $4.30
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in) here. This product's current Price in USA is $43.98. The average and highest prices are $52.96 and $99.99 respectively. The current offer price of the product is $78.70.
| Lowest Ever Price | $4.30 |
|---|---|
| 27th Sep 2017 | |
| Average Price | $52.96 |
| Based on 5348 days price tracking | |
| Highest Price | $99.99 |
| 22nd Dec 2020 | |
Price History of All Variants of Filtrete 18x20x1 AC Furnace Air Filter MERV...
Current Price in USA
| Price | $43.98 |
|---|---|
| MRP | $43.98 |
| Savings | $0.00 |
| Discount | -1.42% |
Recent Price Drops on Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
Price Drop 19th Nov 2025
$43.98 → $37.37
15.03% drop
Price Drop 17th Aug 2025
$43.98 → $41.00
6.78% drop
Price Drop 28th Jul 2025
$50.47 → $43.98
12.86% drop
Price Drop 6th Jul 2025
$43.98 → $37.38
15.01% drop
Price Drop 16th Jun 2025
$58.06 → $43.98
24.25% drop
Price Drop 26th May 2025
$56.30 → $43.98
21.88% drop
Price Drop 17th May 2025
$56.05 → $43.98
21.53% drop
Price Drop 9th May 2025
$56.62 → $43.98
22.32% drop
Price Drop 7th May 2025
$56.61 → $43.98
22.31% drop
Price Drop 2nd May 2025
$43.98 → $39.99
9.07% drop
Price Drop 26th Apr 2025
$59.52 → $43.98
26.11% drop
Price Drop 22nd Apr 2025
$59.64 → $43.98
26.26% drop
Price Drop 9th Apr 2025
$56.79 → $43.98
22.56% drop
Price Drop 19th Mar 2025
$57.59 → $43.98
23.63% drop
Price Drop 11th Mar 2025
$57.97 → $43.98
24.13% drop
Price Drop 1st Mar 2025
$56.23 → $43.98
21.79% drop
Price Drop 26th Feb 2025
$56.39 → $43.98
22.01% drop
Price Drop 27th Jan 2025
$57.14 → $43.98
23.03% drop
Price Drop 27th Dec 2024
$58.80 → $43.98
25.2% drop
Price Drop 19th Nov 2024
$43.98 → $37.38
15.01% drop
Price Drop 8th Oct 2024
$59.72 → $43.98
26.36% drop
Price Drop 29th Sep 2024
$43.98 → $40.99
6.8% drop
Price Drop 2nd Sep 2024
$47.35 → $43.98
7.12% drop
Price Drop 23rd Aug 2024
$62.75 → $43.98
29.91% drop
Price Drop 19th Aug 2024
$62.75 → $43.98
29.91% drop
Price Drop 13th Aug 2024
$62.76 → $43.98
29.92% drop
Price Drop 16th Jul 2024
$43.98 → $39.58
10% drop
Price Drop 4th Jul 2024
$62.76 → $43.98
29.92% drop
Price Drop 13th Jun 2024
$53.19 → $43.98
17.32% drop
Price Drop 10th Jun 2024
$62.57 → $53.19
14.99% drop
Price Drop 12th Apr 2024
$62.55 → $53.20
14.95% drop
Price Drop 16th Mar 2024
$62.90 → $53.20
15.42% drop
Price Drop 29th Feb 2024
$66.36 → $62.90
5.21% drop
Price Drop 26th Nov 2023
$69.99 → $66.36
5.19% drop
Price Drop 25th Oct 2023
$61.98 → $58.50
5.61% drop
Price Drop 16th Oct 2023
$65.57 → $61.56
6.12% drop
Price Drop 16th Feb 2023
$53.99 → $45.00
16.65% drop
Price Drop 4th Feb 2023
$53.99 → $44.00
18.5% drop
Price Drop 11th Jan 2023
$53.99 → $50.00
7.39% drop
Price Drop 3rd Jan 2023
$65.23 → $53.99
17.23% drop
Price Drop 21st Jun 2022
$64.39 → $49.99
22.36% drop
Price Drop 8th Feb 2022
$53.99 → $50.00
7.39% drop
Price Drop 14th Aug 2021
$47.96 → $40.70
15.14% drop
Price Drop 19th Feb 2021
$85.99 → $47.96
44.23% drop
Price Drop 31st Dec 2020
$79.99 → $47.96
40.04% drop
Price Drop 22nd Dec 2020
$99.99 → $47.96
52.04% drop
Price Drop 19th Dec 2020
$89.99 → $47.96
46.71% drop
Price Drop 15th Jun 2020
$68.00 → $47.96
29.47% drop
Price Drop 19th Apr 2019
$72.69 → $47.96
34.02% drop
Price Drop 26th Sep 2017
$8.32 → $4.30
48.32% drop
Price Drop 7th Sep 2017
$10.80 → $5.30
50.93% drop
Price Drop 4th Sep 2017
$6.50 → $6.10
6.15% drop
Price Drop 23rd Jul 2017
$6.80 → $5.50
19.12% drop
Price Drop 14th Jul 2017
$26.03 → $5.50
78.87% drop
Price Drop 1st Jul 2017
$75.13 → $9.30
87.62% drop
Price Drop 28th Jun 2017
$47.88 → $11.98
74.98% drop
Price Drop 1st Jun 2017
$47.88 → $24.66
48.5% drop
Price Drop 2nd Apr 2017
$47.88 → $42.88
10.44% drop
Price Drop 26th Mar 2017
$10.88 → $10.00
8.09% drop
Price Drop 24th Mar 2017
$47.88 → $10.88
77.28% drop
Price Drop 15th Mar 2017
$47.88 → $20.20
57.81% drop
Price Drop 28th Jan 2017
$75.02 → $38.36
48.87% drop
Price Drop 12th Jul 2016
$71.19 → $47.88
32.74% drop
Price Drop 24th Mar 2016
$58.25 → $35.98
38.23% drop
Price Drop 22nd May 2015
$55.52 → $49.99
9.96% drop
Price Drop 31st Oct 2014
$87.92 → $64.12
27.07% drop
Price Drop 15th May 2012
$48.00 → $41.09
14.4% drop
Price Drop 20th Oct 2011
$87.92 → $44.25
49.67% drop
Product Information
Details
| Product Name | Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in) |
|---|---|
| Store Product Code | B005F5D1JC |
| Store Name | amazon.com |
| Rating | 9.6 / 10 |
| Category | Furnace Filters |
| Product Manufacturer | 3M |
| Model Number | 9845-4 |
| Color | 18x20x1 |
| Size | 18x20x1 |
| Dimensions | 19.81"L x 0.81"W x 17.81"Th |
Rating and Reviews
9.6 Based on 24853 reviews
Filtrete 18x20x1 AC Furnace Air Filter MERV has 9.6 rating out of 10. This average rating is consist of 24853 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.