Skip to Main Content
Your browser is out-of-date!
Update your browser to view this website correctly.
Update my browser now
1-888-979-4284
M-F 9am-4pm EST
0
-
$0
Shop
Furnace Filters & Parts
Water Filters
Appliance Filters
Air Quality Products
Pool & Spa
Household Products
Contact Us
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)
Fan Accessories
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
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)
Fan Accessories
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
FREE SHIPPING OVER $100
Lennox X6670 Furnace Filters
Sort & Filter
Featured
Best Selling
Old → New
New → Old
Low → High Price
High → Low Price
A → Z
Z → A
Home
Lennox X6670 Furnace Filters
16x25
Show
12
24
36
48
Home
Lennox X6670 Furnace Filters
16x25
Featured
Best Selling
Old → New
New → Old
Low → High Price
High → Low Price
A → Z
Z → A
Selected
Dimensions: 16x25
Type
Type
Furnace Filters
Size
Size
5 Inch
MERV
MERV
11
Dimensions
Dimensions
16x25
Brand
Brand
Lennox
Details
Lennox X6670 - Healthy Climate HCF16-11 16x25x5 MERV 11 Replacement Filter (OEM)
$43.75
Details
Lennox X6670 - Compatible 16x25x5 Furnace Air Filter
$34.00
Please enable JavaScript in your browser for better use of the website!
