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best dealsdiscounts20 x 20 x 1 air filters
20 x 20 x 1 air filters Deals in Singapore

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Deals are available from 1 stores and 5 brands. An additional discount is available for 0 items. Last updated on 24 September 2025.
Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters
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MervFilters 14x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack
MervFilters 14x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack
MervFilters 14x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack
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Simply by MervFilters 20x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6 Pack
Simply by MervFilters 20x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6 Pack
Simply by MervFilters 20x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6 Pack
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BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
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Aerostar 16x20x1 Air Filter MERV 11 (For Allergies, Dust, Lint, Mold, Pet Dander, Smoke & Smog) - Electrostatic MPR 1000-1200 & FPR 7 - Pleated HVAC AC Furnace Air Filters - Pack of 4
Aerostar 16x20x1 Air Filter MERV 11 (For Allergies, Dust, Lint, Mold, Pet Dander, Smoke & Smog) - Electrostatic MPR 1000-1200 & FPR 7 - Pleated HVAC AC Furnace Air Filters - Pack of 4
Aerostar 16x20x1 Air Filter MERV 11 (For Allergies, Dust, Lint, Mold, Pet Dander, Smoke & Smog) - Electrostatic MPR 1000-1200 & FPR 7 - Pleated HVAC AC Furnace Air Filters - Pack of 4
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Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")
Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")
Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")
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Filtrete 20x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0.84)
Filtrete 20x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0.84)
Filtrete 20x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0.84)
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Filtrete 14x20x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 6-Pack (exact dimensions 13.81 x 19.81 x 0.78)
Filtrete 14x20x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 6-Pack (exact dimensions 13.81 x 19.81 x 0.78)
Filtrete 14x20x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 6-Pack (exact dimensions 13.81 x 19.81 x 0.78)
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BNX TruFilter 20x20x1 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 20x20x1 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 20x20x1 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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Accecraft 20x20x1 Air Filter HERV11 Furnace Filter
Accecraft 20x20x1 Air Filter HERV11 Furnace Filter
Accecraft 20x20x1 Air Filter HERV11 Furnace Filter
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