29th Mar 2026, 08:30 AM
Filtrete 18x18x1 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 17.81 x 0.81 in)
Price may vary by location, shipping cost, and availability.
0% Off
$53.96
$53.96
Highest: $89.99
Average: $47.71
Lowest: $4.10
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Filtrete 18x18x1 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 17.81 x 0.81 in) here. This product's current Price in USA is $53.96. The average and highest prices are $47.71 and $89.99 respectively.
| Lowest Ever Price | $4.10 |
|---|---|
| 27th Sep 2017 | |
| Average Price | $47.71 |
| Based on 5348 days price tracking | |
| Highest Price | $89.99 |
| 10th Nov 2020 | |
Price History of All Variants of Filtrete 18x18x1 AC Furnace Air Filter MERV...
Current Price in USA
| Price | $53.96 |
|---|---|
| MRP | $53.96 |
| Savings | $0.00 |
| Discount | 0% |
Recent Price Drops on Filtrete 18x18x1 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 17.81 x 0.81 in)
Price Drop 19th Nov 2025
$55.56 → $44.95
19.1% drop
Price Drop 31st Oct 2025
$50.31 → $44.96
10.63% drop
Price Drop 7th Oct 2025
$45.87 → $43.57
5.01% drop
Price Drop 6th Oct 2025
$53.96 → $45.87
14.99% drop
Price Drop 10th Jul 2025
$42.50 → $40.37
5.01% drop
Price Drop 6th Jul 2025
$50.00 → $42.50
15% drop
Price Drop 28th Jun 2025
$55.56 → $50.00
10.01% drop
Price Drop 19th Feb 2025
$55.56 → $43.98
20.84% drop
Price Drop 16th Feb 2025
$55.56 → $43.98
20.84% drop
Price Drop 27th Jan 2025
$55.56 → $43.98
20.84% drop
Price Drop 22nd Jan 2025
$55.56 → $43.98
20.84% drop
Price Drop 20th Jan 2025
$65.41 → $43.98
32.76% drop
Price Drop 26th Dec 2024
$55.56 → $28.92
47.95% drop
Price Drop 19th Dec 2024
$55.56 → $31.28
43.7% drop
Price Drop 18th Dec 2024
$55.56 → $31.28
43.7% drop
Price Drop 12th Dec 2024
$43.98 → $35.18
20.01% drop
Price Drop 9th Dec 2024
$53.96 → $43.98
18.5% drop
Price Drop 28th Nov 2024
$55.56 → $43.98
20.84% drop
Price Drop 25th Nov 2024
$65.41 → $43.98
32.76% drop
Price Drop 4th Nov 2024
$55.56 → $43.98
20.84% drop
Price Drop 16th Oct 2024
$55.56 → $43.98
20.84% drop
Price Drop 2nd Oct 2024
$55.56 → $43.98
20.84% drop
Price Drop 30th Sep 2024
$55.56 → $43.98
20.84% drop
Price Drop 20th Sep 2024
$55.56 → $43.98
20.84% drop
Price Drop 4th Sep 2024
$55.56 → $43.98
20.84% drop
Price Drop 29th Aug 2024
$55.56 → $43.98
20.84% drop
Price Drop 21st Jul 2024
$68.17 → $39.58
41.94% drop
Price Drop 16th Jul 2024
$43.98 → $39.58
10% drop
Price Drop 13th Jun 2024
$51.99 → $43.98
15.41% drop
Price Drop 10th Jun 2024
$61.16 → $51.99
14.99% drop
Price Drop 21st Apr 2024
$29.88 → $23.88
20.08% drop
Price Drop 13th Apr 2024
$59.95 → $29.88
50.16% drop
Price Drop 15th Jan 2024
$59.95 → $49.99
16.61% drop
Price Drop 20th Nov 2023
$54.99 → $49.99
9.09% drop
Price Drop 16th Nov 2023
$59.99 → $54.99
8.33% drop
Price Drop 7th Oct 2023
$64.99 → $59.99
7.69% drop
Price Drop 2nd Oct 2023
$69.99 → $64.99
7.14% drop
Price Drop 25th Jul 2023
$69.03 → $63.80
7.58% drop
Price Drop 17th Jul 2023
$68.76 → $63.80
7.21% drop
Price Drop 23rd Feb 2023
$53.99 → $48.02
11.06% drop
Price Drop 21st Nov 2022
$53.99 → $48.87
9.48% drop
Price Drop 21st Jun 2022
$53.99 → $49.99
7.41% drop
Price Drop 17th Oct 2021
$52.42 → $49.70
5.19% drop
Price Drop 24th Sep 2021
$53.48 → $50.01
6.49% drop
Price Drop 19th Feb 2021
$79.99 → $47.96
40.04% drop
Price Drop 18th Feb 2021
$78.89 → $47.96
39.21% drop
Price Drop 14th Feb 2021
$78.89 → $47.96
39.21% drop
Price Drop 9th Feb 2021
$78.89 → $47.96
39.21% drop
Price Drop 7th Feb 2021
$78.99 → $47.96
39.28% drop
Price Drop 22nd Jan 2021
$79.99 → $47.96
40.04% drop
Price Drop 18th Jan 2021
$79.99 → $47.96
40.04% drop
Price Drop 29th Dec 2020
$79.99 → $47.96
40.04% drop
Price Drop 14th Dec 2020
$79.99 → $47.96
40.04% drop
Price Drop 9th Dec 2020
$79.99 → $47.96
40.04% drop
Price Drop 9th Nov 2020
$89.99 → $47.96
46.71% drop
Price Drop 15th Sep 2020
$44.18 → $40.55
8.22% drop
Price Drop 30th Aug 2020
$37.99 → $34.95
8% drop
Price Drop 3rd Aug 2020
$44.99 → $39.99
11.11% drop
Price Drop 1st Jul 2020
$50.93 → $44.99
11.66% drop
Price Drop 4th Jun 2018
$46.76 → $29.99
35.86% drop
Price Drop 4th Jun 2018
$29.99 → $24.99
16.67% drop
Price Drop 20th May 2018
$70.08 → $46.76
33.28% drop
Price Drop 6th May 2018
$72.21 → $53.01
26.59% drop
Price Drop 14th Nov 2017
$4.35 → $4.13
5.06% drop
Price Drop 5th Nov 2017
$31.95 → $4.20
86.85% drop
Price Drop 1st Oct 2017
$8.12 → $4.70
42.12% drop
Price Drop 1st Oct 2017
$4.70 → $4.40
6.38% drop
Price Drop 26th Sep 2017
$4.60 → $4.30
6.52% drop
Price Drop 25th Sep 2017
$7.80 → $4.60
41.03% drop
Price Drop 22nd Sep 2017
$8.32 → $7.80
6.25% drop
Price Drop 20th Sep 2017
$11.00 → $6.00
45.45% drop
Price Drop 15th Sep 2017
$31.95 → $11.00
65.57% drop
Price Drop 8th Sep 2017
$8.80 → $5.30
39.77% drop
Price Drop 7th Sep 2017
$12.30 → $8.80
28.46% drop
Price Drop 5th Sep 2017
$6.50 → $6.10
6.15% drop
Price Drop 4th Sep 2017
$8.00 → $6.50
18.75% drop
Price Drop 14th Jul 2017
$9.30 → $5.50
40.86% drop
Price Drop 10th Jul 2017
$11.23 → $9.30
17.19% drop
Price Drop 9th Jul 2017
$31.95 → $10.00
68.7% drop
Price Drop 7th Jul 2017
$10.29 → $9.30
9.62% drop
Price Drop 3rd Jul 2017
$31.95 → $10.50
67.14% drop
Price Drop 1st Jul 2017
$14.80 → $9.30
37.16% drop
Price Drop 29th Jun 2017
$23.54 → $14.80
37.13% drop
Price Drop 28th Jun 2017
$24.66 → $11.98
51.42% drop
Price Drop 1st Jun 2017
$31.95 → $24.66
22.82% drop
Price Drop 2nd Apr 2017
$39.94 → $31.95
20.01% drop
Price Drop 25th Mar 2017
$10.88 → $10.00
8.09% drop
Price Drop 24th Mar 2017
$34.35 → $10.88
68.33% drop
Price Drop 21st Mar 2017
$14.00 → $12.00
14.29% drop
Price Drop 18th Mar 2017
$20.20 → $14.42
28.61% drop
Price Drop 18th Mar 2017
$14.42 → $7.38
48.82% drop
Price Drop 11th Mar 2017
$19.75 → $6.00
69.62% drop
Price Drop 18th Jan 2017
$41.99 → $19.75
52.96% drop
Price Drop 6th Jun 2015
$44.99 → $41.99
6.67% drop
Price Drop 5th May 2015
$49.99 → $44.99
10% drop
Price Drop 28th Apr 2015
$56.53 → $49.99
11.57% drop
Price Drop 8th Aug 2014
$62.67 → $59.18
5.57% drop
Price Drop 20th Feb 2013
$53.57 → $49.58
7.45% drop
Price Drop 29th Mar 2012
$55.10 → $51.68
6.21% drop
Price Drop 20th Dec 2011
$87.92 → $52.81
39.93% drop
Product Information
Details
| Product Name | Filtrete 18x18x1 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 17.81 x 0.81 in) |
|---|---|
| Store Product Code | B005GZ8PEC |
| Store Name | amazon.com |
| Brand | Filtrete |
| Rating | 9.6 / 10 |
| Category | Furnace Filters |
| Product Manufacturer | 3M |
| Model Number | 9817-4 |
| Color | 18x18x1 |
| Size | 18x18x1 |
| Dimensions | 17.81"L x 0.81"W x 17.81"Th |
Features
- MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 18x18x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
- EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
- COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
- CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
- CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
- VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
- SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
- MOST TRUSTED: Filtrete Brand is North Americas most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters
Images
× ![]()
Rating and Reviews
9.6 Based on 24865 reviews
Filtrete 18x18x1 AC Furnace Air Filter MERV has 9.6 rating out of 10. This average rating is consist of 24865 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.