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1-888-979-4284
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Appliance Filters
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Humidifier Filters & Pads
Filter Replacement
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Air Quality Monitors
Carbon Monoxide Detectors
Dehumidifiers
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HEPA Vacuums
Humidifiers
Smoke Detectors
Range Hoods
Heating & Cooling
Air Conditioners
Air Conditioner Supplies
Ceiling Fans
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Controls
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Home Comfort Control
Thermostats
Thermostat Accessories
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Pool Sand Filters
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Contact Us
FAQ
1-888-979-4284
M-F 9am-4pm EST
0
Shop
Shop Filters
Air Cleaner Filters
Air Handler Filters
Air Purifier Filters
Dehumidifier Filters
Dishwasher Filters
Dryer Lint Filters
Filter Replacements
Furnace Filters
Furnace Filter Upgrade/Maintenance Kits
HRV/ERV Filters
Humidifier Filters & Pads
Microwave Filters
Range Hood Filters
Refrigerator Air Filters
Refrigerator Water Filters
Under-Sink Water Filters
Shower Filters
Vacuum Filters
Water Filtration Systems
Shop Air Quality Products
Air Conditioners
Air Conditioner Supplies
Air Purifiers
Air Quality Monitors
Carbon Monoxide Detectors
Ceiling Fans
Dehumidifiers
Electronic Air Cleaners
Fans & Fan Accessories
HEPA Vacuums
Humidifiers
Portable Heaters
Range Hoods
Smoke Detectors
Vacuum Filters
Shop Home Comfort & HVAC Parts
Cleaning Products & Supplies
Household Tools
Humidistats
Furnace Flame Sensors
Odour Control
Steam Cylinder
Solenoid Valves
Temperature Sensors
Thermostats
Thermostat Accessories
UVA/UVC Lamps
Vacuum Bags
Water Leak Detector
Pool & Spa Filters and Supplies
Pool Sand Filters
Pool Cartridge Filters
Pool Replacement Filters Cartridges
Spa & Hot Tub Filters
Pool Cleaners
Pool Water Testing Kits
Pool Water Chemistry
Pool Maintenance Kits
Pool Maintenance Accessories
Furnace Filters & Parts
Furnace Filter Sizes
1 Inch Furnace Filters
2 Inch Furnace Filters
3 Inch Furnace Filters
4 Inch Furnace Filters
5 Inch Furnace Filters
6 Inch Furnace Filters
Furnace Filter Brands
Aprilaire Furnace FIlters
Bryant/Carrier Furnace Filters
Electro-Air Furnace Filters
Filtration Group (FG) Furnace Filters
Fresh-Aire Furnace Filters
Generalaire Furnace FIlters
Honeywell Furnace Filters
Lennox Furnace Filters
PureFilters Furnace Filters
Skuttle Furnace Filters
White-Rodgers Furnace Filters
Furnace Filter MERV Ratings
MERV 8 Furnace Filters
MERV 10 Furnace Filters
MERV 11 Furnace Filters
MERV 13 Furnace Filters
MERV 14 Furnace Filters
MERV 15 Furnace Filters
MERV 16 Furnace Filters
Furnace Parts
Upgrade/Maintenance Kits
Solenoid Valves
Furnace Flame Sensors
Steam Cylinders
UVA/UVC Lamps
Water Filters
Fridge Water Filter Brands
Bosch Fridge Water Filters
Frigidaire Fridge Water Filters
GE Fridge Water Filters
Kenmore Fridge Water Filters
KitchenAid Fridge Water Filters
LG Fridge Water Filters
Maytag Fridge Water Filters
Samsung Fridge Water Filters
Sub-Zero Fridge Water Filters
Swift Green Fridge Water Filters
Whirlpool Fridge Water Filters
All Other Water Filters
Reverse Osmosis Water Filters
Under Sink Water Filters
Water Filtration Systems
Appliance Filters
Appliance Filters
Dishwasher Filters
Dryer Lint Filters
Microwave Filters
Range Hood Filters
Dehumidifier Filters
Vacuum Filters
Vacuum Bags
Coffee Machine Filters
Refrigerator Air Filters
Air Quality Products
Air Filters
Air Cleaner Filters
Air Handler Filters
Air Purifier Filters
Dehumidifier Filters
HRV/ERV Filters
Humidifier Filters & Pads
Filter Replacement
Furnace Filters
Vacuum Filters
Air Quality & Safety
Air Movers
Air Purifiers - Portable
Air Purifiers - Whole House
Air Quality Monitors
Carbon Monoxide Detectors
Dehumidifiers
Electronic Air Cleaners
HEPA Vacuums
Humidifiers
Smoke Detectors
Range Hoods
Heating & Cooling
Air Conditioners
Air Conditioner Supplies
Ceiling Fans
Fans (Desk & Floor)
Controls
Portable Heaters
Air Register Covers
Air Vent Covers
Home Comfort Control
Thermostats
Thermostat Accessories
Temperature Sensors
Humidistats
Pool & Spa
Pool Sand Filters
Pool Cartridge Filters
Pool Filter Replacement Cartridges
Spa & Hot Tub Filters
Pool Water Testing Kits
Pool Water Chemistry
Pool Cleaners
Pool Maintenance Kits
Pool Maintenance Accessories
Automatic Pool Chlorinators
Pool Covers
Pool Toys & Inflatables
Household Products
Cleaning Products
Vacuum Bags
Household Tools
Odour Control
Water Leak Detectors
Water Heat Recovery Units
Contact Us
FAQ
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PureFilters 4 Inch
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18x25
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18x25
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Custom: Yes
Dimensions: 18x25
Type
Type
Furnace Filters
Size
Size
4 Inch
MERV
MERV
11
13
8
Dimensions
Dimensions
10x10
10x14
10x15
10x16
10x18
10x20
10x24
10x25
10x28
10x30
11x20
12x12
12x15
12x16
12x18
12x20
12x22
12x24
12x25
12x26
12x27
12x30
12x34
12x36
13x18
13x20
13x21
13x24
13x25
14x16
14x18
14x20
14x22
14x24
14x25
14x27
14x28
14x30
14x36
14x4
15x15
15x20
15x25
15x30
16x16
16x18
16x20
16x21
16x22
16x24
16x25
16x30
16x32
16x36
17x17
17x19
17x20
17x21
17x22
17x25
18x18
18x20
18x22
18x24
18x25
18x30
18x36
19x19
19x21
19x22
19x23
19x27
20x20
20x21
20x22
20x23
20x24
20x25
20x27
20x30
20x32
20x34
20x36
21x21
21x22
21x23
22x22
22x24
22x26
22x28
22x36
23x25
24x24
24x25
24x28
24x30
24x36
25x25
25x28
25x29
25x32
27x27
28x30
28x36
29x29
29x30
30x30
30x32
30x36
8x14
8x16
8x20
8x24
8x30
9x30
+ More
Custom
Custom
Yes
Brand
Brand
PureFilters
Details
Details
Pleated 18x25x4 Furnace Filters - (6-Pack) - Custom Size MERV 8, MERV 11 and MERV 13
From
$299.50
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