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Castle Filters One-Year HVAC Furnace Filter, MERV 8, 20x25x1, 1 Count (Pack of 1)
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Castle Filters One-Year HVAC Furnace Filter, MERV 8, 20x25x1, 1 Count (Pack of 1)

Amazon Price History

This is our record of Amazon price changes for Castle Filters One-Year HVAC Furnace Filter, MERV 8, 20x25x1, 1 Count (Pack of 1) (B078MWGQ8K) since we began monitoring it.

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Amazon (Jul 12, 2026) (Jul 12, 2026) 0,00 € (Jul 12, 2026)

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Jul 12, 2026 08:41 AM

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20x25x1 Air filter, Washable and Reusable Air Filter 20x25x1 for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter
20x25x1 Air filter, Washable and Reusable Air Filter 20x25x1 for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter
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Castle Filters One-Year HVAC Furnace Filter, MERV 6, 20x25x1, 1 Count (Pack of 1)
Castle Filters One-Year HVAC Furnace Filter, MERV 6, 20x25x1, 1 Count (Pack of 1)
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20x25x1 Air Filter by ElectroDust - Furnace Filter, Air Filters for Home. Perfect Air Conditioner Filter. Great HVAC filter, AC filter | Reusable air filter - Washable air filters
20x25x1 Air Filter by ElectroDust - Furnace Filter, Air Filters for Home. Perfect Air Conditioner Filter. Great HVAC filter, AC filter | Reusable air filter - Washable air filters
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United Filter 20x25x1 MERV 10 Furnace Air Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
United Filter 20x25x1 MERV 10 Furnace Air Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
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United Filter 20x25x1 MERV 11 Furnace Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
United Filter 20x25x1 MERV 11 Furnace Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
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United Filter 20x25x1 MERV 13 Pleated Furnace Air Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
United Filter 20x25x1 MERV 13 Pleated Furnace Air Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Replacement Air Filters Made in Canada
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20x25x1, AC Furnace Air Filter, MERV 11, 4-Pack (exact dimensions 19.5 x 24.5 x 0.75), AC Filter, Furnace Filter, Home Air Filter Made in USA
20x25x1, AC Furnace Air Filter, MERV 11, 4-Pack (exact dimensions 19.5 x 24.5 x 0.75), AC Filter, Furnace Filter, Home Air Filter Made in USA
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United Filter 20x25x1 MERV 8 Furnace Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Made in Canada
United Filter 20x25x1 MERV 8 Furnace Filters (Case of 12) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Made in Canada
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Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
Filterbuy 20x25x1 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 0.75 Inches)
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BNX TruFilter 20x25x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10
BNX TruFilter 20x25x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10
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BNX TruFilter 20x25x1 Air Filter MERV 8 (6-Pack) - MADE IN USA – Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 – 700 & FPR 5
BNX TruFilter 20x25x1 Air Filter MERV 8 (6-Pack) - MADE IN USA – Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 – 700 & FPR 5
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BNX 20x25x1 MERV 11 Air Filter 9 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Dust, Mold, Pollen, Lint, Pet Dander, Smoke, Smog
BNX 20x25x1 MERV 11 Air Filter 9 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Dust, Mold, Pollen, Lint, Pet Dander, Smoke, Smog
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20x25x1 MERV 13 (2-Pack) HVAC Furnace Replacement - Clean Living Basic Dust Air Conditioner, Cleaner, Furnace. (Exact Dimensions 19.60 x 24.70 0.86), (DeaKleen 25x20x1 Merv13)
20x25x1 MERV 13 (2-Pack) HVAC Furnace Replacement - Clean Living Basic Dust Air Conditioner, Cleaner, Furnace. (Exact Dimensions 19.60 x 24.70 0.86), (DeaKleen 25x20x1 Merv13)
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Honeywell 16x20x4 AC Furnace Air Filter Replacement - FC100A1003 HVAC Furnace Filters Merv 11 Filter Media, AC Filter with Homequip Disposal Bag, 2-Pack (Actual Size: 15.94 x 19.75 x 4.38 Inches)
Honeywell 16x20x4 AC Furnace Air Filter Replacement - FC100A1003 HVAC Furnace Filters Merv 11 Filter Media, AC Filter with Homequip Disposal Bag, 2-Pack (Actual Size: 15.94 x 19.75 x 4.38 Inches)
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Frigidaire PureAir® 20x25x1 MERV 8 Allergen Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - 6 Pack (exact dimensions 19.81 X 24.81 X 0.81)
Frigidaire PureAir® 20x25x1 MERV 8 Allergen Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - 6 Pack (exact dimensions 19.81 X 24.81 X 0.81)
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12x12x1 MERV 13 - HVAC Furnace Air Filter Replacement HVAC Filter 6-Pack - Easy to Install - Air Conditioner, Air Cleaner, Furnace. (exact dimensions 11.85 x 11.85 x 0.81)
12x12x1 MERV 13 - HVAC Furnace Air Filter Replacement HVAC Filter 6-Pack - Easy to Install - Air Conditioner, Air Cleaner, Furnace. (exact dimensions 11.85 x 11.85 x 0.81)
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Filtrete 20x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 20x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
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Filtrete 20x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 20x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
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Filtrete 20x25x1 Furnace Filter, MPR 600, MERV 7, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 4 Filters
Filtrete 20x25x1 Furnace Filter, MPR 600, MERV 7, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 4 Filters
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Filtrete 20x25x1 Furnace Filter, MPR 600, MERV 7, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 2 Filters
Filtrete 20x25x1 Furnace Filter, MPR 600, MERV 7, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 2 Filters
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Filtrete 20x25x1 Smart Air Filter, MPR 2200 MERV 13, 1-Inch Premium Allergen & Home Pollutant Air Filters for AC and Furnace, 2 Filters
Filtrete 20x25x1 Smart Air Filter, MPR 2200 MERV 13, 1-Inch Premium Allergen & Home Pollutant Air Filters for AC and Furnace, 2 Filters
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