Shop Our Categories Arrow Building Center MY ACCOUNT SHOP ALL DEPARTMENTS HAND TOOLS STRIKING AND CUTTING TOOLS STRIKING TOOLS RIPPING/CHISELING HANDSAWS CUTTING & SHAPING TRADESMAN TOOLS CONCRETE AND MASONRY TOOLS DRYWALL & PLASTERING TOOLS TILE TOOLS HVAC TOOLS SIDING & GUTTER TOOLS MINING TOOLS / GEOLOGICAL TOOL MEASURING & MARKING MEASURING & LEVELING MARKING TOOLS MECHANICS TOOLS PLIERS & CUTTERS & WRENCHES SCREWDRIVERS MACHINIST TOOLS HAND MECHANICS HAND TOOL SETS CLAMPS / FASTENING TOOLS CLAMPS & VISES FASTENING TORCHES / SOLDERING WELDING SUPPLIES POWER TOOLS & ACC POWER TOOLS HAND POWER TOOLS HOBBY TOOLS/ENGRAVERS BENCH & STATIONARY STATIONARY POWER TOOL ACC HEAVY DUTY VACUUMS & ACCESS POWER/PRESSURE WASHERS & ACCES POWER TOOL ACCESSORIES POWER DRILLING & ACCESSORIES DOWELING/ JIGS AND ACCESSORIES SCREWDRIVING BITS & ACCESSORIE SAW BLADES & ACCESSORIES POWER CUTTING ACCESORIES POWER ABRASIVE ACCESSORIES GRINDING/ CUT-OFF WHEELS & ACC PNEUMATIC TOOLS & ACCESSORIES COMPRESSORS & ACCESSORIES POWER EQUIPMENT POWER GENERATORS FASTENERS NAILS, TACKS, BRADS NAILS - BULK NAILS - PACKAGED SPECIALTY - TACKS & BRADS PNEUMATIC FASTENERS NUTS, BOLTS, SCREWS NUTS/BOLTS/WASHERS SCREWS ANCHORS FASTENERS - MISC CHAIN, CABLE, ROPE CHAIN / ACCESSORIES WIRE / CABLE ROPE / CORD / WEBBING METAL SHAPES & STOCKS METAL SHAPES & STOCKS HARDWARE LOCKSETS & KEYING SUPPLIES ENTRY LOCKSETS PRIVACY LOCKSETS PASSAGE LOCKSETS STOREROOM LOCKSETS CLASSROOM LOCKSETS DUMMY DOOR HANDLES DOOR LOCK DEADBOLTS COMBINATION LOCKSETS HANDLESET DOOR LOCKS LOCKSETS-MISC LOCK PARTS / ACCESSORIES KEY BLANKS / ACCESSORIES WINDOW & DOOR HARDWARE DOOR ACCESSORIES STORM/SCREEN DOOR HARDWARE PATIO DOOR HARDWARE FOLDING DOORS/HARDWARE BYPASS DOOR HARDWARE POCKET DOOR HARDWARE ROLLING DOOR HARDWARE SHOWER DOOR BARN DOOR HARDWARE GARAGE DOOR HARDWARE THRESHOLDS / FLOOR TRIM WEATHERSTRIPPING WINDOW HARDWARE SCREEN WIRE / REPAIR GLASS GENERAL HARDWARE HOME SECURITY & SAFETY CABINET & DRAWER HARDWARE DECORATIVE HARDWARE HOME FINISH HARDWARE CASTERS / FLOOR PROTECTION SIGNS, NUMBERS & LETTERS MAILBOXES FLAGS SHELVING & CLOSET HANGING HARDWARE STORAGE AND ORGANIZATION TABLE LEGS DOWELS & ACCESSORIES BUILDERS HARDWARE WIRE GOODS HINGES HASPS BRACES GATE / SHED HARDWARE CONSTRUCTION HARDWARE JOBSITE HARDWARE POLYETHYLENE FILM FOUNDATION HARDWARE BUILDING HARDWARE LUMBER / MOLDING/TRIM CEILINGS FLOORING /ACCESSORIES GUTTER VENTILATION PRODUCTS JOIST HANGERS & CONNECTORS DECK & PATIO CONSTRUCTION DOORS WINDOWS PAINT & SUNDRIES PAINT INTERIOR PAINT VALSPAR PAINT MAJIC PAINT - YENKIN MAJESTIC COLORANTS & PAINT DEPT. 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LIGHTING CEILING FANS ROUGH ELECTRICAL COVER PLATES SWITCHES & RECEPTACLES FUSES & BREAKERS PANEL BOXES ELECTRICAL BOXES CONDUIT ELECTRICAL WIRE ELECTRICAL FITTINGS SURFACE WIRING OUTDOOR BOXES & LAMPHOLDERS ELECTRICAL CONNECTORS HOUSEHOLD ELECTRICAL HOUSEHOLD WIRING DEVICES EXTENSION CORDS STRIPS & SURGE PROTECTORS PORTABLE LIGHTING SPECIALTY ELECTRICAL FLASHLIGHTS BATTERIES TOOLS & TESTERS DOORBELLS & CHIMES FIRE/HOME PROTECTION TELEPHONE & ACCESSORIES AUDIO & VIDEO SUPPLIES COMPUTER ACCESSORIES ELECTRONICS PLUMBING KITCHEN & BATH BATHROOM HARDWARE BATH ACCESSORIES SHOWER & BATH REPAIR TOILET SEATS GARBAGE DISPOSALS WATER FILTERS WATER SOFTENERS FAUCETS FIXTURES FAUCET / SINK REPAIR TOILET REPAIR DRAIN & SUPPLY DRAIN OPENERS ROUGH PLUMBING SUPPLIES PIPE FITTINGS PIPE PIPE INSULATION PIPE REPAIR WATER HEATERS WATER COOLERS TUBING VALVES GAS SUPPLY LINES SOLVENTS & SEALERS WASHER & DRYER PUMPS (NON-WELL) PUMPS (WELL) INDUSTRIAL HOSES PLUMBING TOOLS HEATING & COOLING FIREPLACE & ACCESSORIES FIREPLACE STOVE PIPE & ACCESSORIES HEAT & AIR CONDITIONING HEATERS AIR CONDITIONERS REGISTERS & DEFLECTORS THERMOSTATS DUCT WORK AIR FILTRATION VENTING & FANS DRYER VENTILATION RANGE HOODS BATH FANS & VENTILATION FANS HOUSEWARES CLEANING SUPPLIES CLEANING IMPLEMENTS WINDOW CLEANING SUPPLIES BROOMS AND MOPS VACUUMS & FLOOR EQUIPMENT TRASH BAGS TRASH & RECYCLE CANS BUCKETS & PAILS SERVICE CARTS PAPER AND PLASTIC PRODUCTS KITCHENWARE FOOD STORAGE COOKWARE BAKEWARE GADGETS CUTLERY GLASSWARE DINNERWARE APPLIANCE PARTS SMALL APPLIANCES PRESSURE COOKERS/CANNERS HOUSEHOLD PRODUCTS TIMEKEEPING STORAGE AND ORGANIZERS PERSONAL CARE SHELF LINER & CONTACT PAPER LAUNDRY PRODUCTS EMERGENCY LIGHTING LAWN & GARDEN LAWN & GARDEN TOOLS LONG HANDLE TOOLS SLEDGES, AXES & MAULS PRUNING & TRIMMING GARDEN TOOL HANDLES GARDEN HAND TOOLS WHEEL GOODS GARDEN WORKWEAR LAWN POWER EQUIPMENT ELECTRIC L & G EQUIPMENT GAS L & G EQUIPMENT LAWNMOWER ACCESSORIES TRIMMER ACCESSORIES CHAINSAW ACCESSORIES MISC. - POWER EQUIPMENT ACCES LAWN CARE SPRAYERS WATERING LAWN FERTILIZER & BAGGED GOODS SEED & PLANT STARTING FUNGICIDES/DISEASE CONTROL HERBICIDES INSECTICIDES & PESTICIDES SPECIALTY FERTILIZERS LANDSCAPE SUPPLIES FENCING PLANTERS, PLANT ACCESSORIES POND SUPPLIES LAWN ORNAMENTS FOUNTAINS MISC LANDSCAPING SUPPLIES PET & WILD BIRD WILD BIRD / SQUIRREL SUPPLIES WILD BIRD SUPPLIES SQUIRREL FEEDERS & FOOD SMALL ANIMAL FISH SUPPLIES RABBIT / HAMSTER / SMALL PETS DOG & CAT SUPPLIES DOG & CAT FARM & RANCH HORSE CARE & SUPPLIES FARRIERS TOOLS FARRIERS SUPPLIES HORSE GROOMING AIDS HORSE TACK HORSE SUPPLEMENTS HORSE HOOF & WOUND CARE HORSE INSECT CONTROL CATTLE CARE & SUPPLIES CALVING & REARING SUPPLIES LIVESTOCK CARE & SUPPLIES LIVESTOCK SUPPLEMENTS LIVESTOCK HOOF & WOUND LIVESTOCK MEDICATIONS LIVESTOCK HANDLING LIVESTOCK INSECTICIDES LIVESTOCK ACCESSORIES SHEEP FEEDERS SWINE SUPPLES POULTRY CARE & SUPPLIES POULTRY FEED & TREATS POULTRY MEDICATIONS & ANTIBIOT POULTRY EGG CARE & ACCESSORIES POULTRY COOPS & SUPPLIES POULTRY WATERERS & FEEDERS BEEKEEPING BEEKEEPING SUPPLIES FARM EQUIPMENT AG SPRAYERS & FLUID SUPPLIES IMPLEMENT ACCESSORIES FENCING FENCING & FENCE POSTS ELECTRIC FENCING & SUPPLIES CHAIN LINK FENCE & ACCESSORIES FARM GATES & PANELS AUTOMOTIVE GENERAL AUTOMOTIVE TUNE UP EQUIPMENT AUTOMOTIVE ELECTRICAL BATTERY EQUIPMENT WHEEL & JACK EQUIPMENT TOWING & TOP CARRIERS TARPS SAFETY EQUIPMENT CAR & TRUCK ACCESSORIES APPEARANCE LUBRICANTS & FLUIDS RADIATOR & ACCESSORIES FILTERS GASKETS & SEALANTS WIPER BLADES AIR COMPRESSORS/TIRE INFLATORS AUTOMOTIVE BELTS & ACCESSORIE EXHAUST FUEL CANS & SUPPLIES AUTOMOTIVE TOOLS & ACCESSORIE RV & MOBILE HOME SUPPLIES RV SUPPLIES MOBILE HOME SUPPLIES OUTDOOR LIVING & PATIO OUTDOOR LIVING & ACCESSORIES ICE CHESTS & COOLERS GRILLS / SMOKERS / FIREPLACES GRILL ACCESSORIES OUTDOOR FURNITURE OUTDOOR THERMOMETERS & GAUGES PLAYGROUND EQUIPMENT OUTDOOR STORAGE SPORTING GOODS SPORTS EQUIPMENT WHEEL GOODS BIKE PARTS & ACCESSORIES SNOW TOYS OUTDOOR SPORTS/OUTDOOR GAMES TABLE GAMES/BOARD GAMES MARINE, HUNTING & CAMPING MARINE/BOATS & ACCESSORIES HUNTING GUNS & ACCESSORIES KNIVES & ACCESS CAMPING & OUTDOOR IMPULSE & VARIETY DOLLAR CENTRAL KITCHEN WARE CLEANING SUPPLIES HEALTH AND BEAUTY AIDS PET PRODUCTS AUTOMOTIVE SCHOOL AND OFFICE SUPPLIES GAMES AND LEISURE IMPULSE CONSUMABLES SNACK FOODS & CANDY GROCERY HOUSEHOLD PRODUCTS PERSONAL CARE AS SEEN ON TV PRODUCTS HOBBIES & TOYS HOLIDAY/ SEASONAL CHRISTMAS DECORATING CONTACT REQUEST A QUOTE Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > SHOP ALL DEPARTMENTS > HEATING & COOLING > HEAT & AIR CONDITIONING > AIR FILTRATION Find by Pricing Below 18 (36)18 to 22.99 (37)23 to 36.99 (29)37 to 57.99 (45)58 and Above (76) Find by Brand 3M (118)AAF INTERNATIONAL (38)BESTAIR (38)ESSICK AIR PRODUCTS (12)HEAT CONTROLLER (4)HOLMES (7)PROTECT PLUS INDUSTRIES (3)THERMWELL PRODUCTS (1)VORNADO AIR (2) Choose a sub category: FURNACE FILTERS - STANDARD PLEATED AIR FILTERS ELECTROSTATIC/ALLERGEN FILTERS AIR FILTER AIR FRESHENERS ROOM AIR CONDITIONER FILTERS AIR PURIFICATION SYSTEMS FURNACE HUMIDIFIERS & ACCESSOR HUMIDIFIERS & ACCESSORIES DE-HUMIDIFIERS Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 30 per page 60 per page 120 per page 180 per page 300 per page 1 2 3 ... 8 Humidiclean 1C Extra Strength Humidifier Cleaner, 32 oz, Clear/Light Blue Our Price: $4.82 Bestair 3US Vaporizer Humidifier Water Treatment, 32 oz Our Price: $4.82 HumidiTreat 1T Extra Strength Humidifier Water Treatment, 32 oz Our Price: $5.06 Humidiclean Humidifier Cleaner, Extra Strength, 32 oz Capacity, 0.98 VOC, Composition: Hydrochloric Acid, Clear/Light Blue, Mild Odor/Scent, Flammability Rating: 0, 1.039 Specific Gravity Bestair Humidifier Water Treatment, Vaporizer, 32 oz Capacity, Used in all Vaporizer and Ultrasonic Humidifiers HumidiTreat Humidifier Water Treatment, Extra Strength, 32 oz Capacity, Used in All Portable Evaporative Humidifiers and is Formulated to Prevent Lime and Scale Buildup Bestair FSOB6 Splash Humidifier Scent, 16 oz Bottle, Clear/Red/Blue Our Price: $5.76 Bestair FSCA6 Splash Humidifier Scent, 16 oz Bottle, Clear/Red/Blue Our Price: $5.76 Original Bt 3BT Water Treatment Humidifier Bacteriostatic, 32 oz, Clear/Water White/Green Our Price: $5.78 Bestair Humidifier Scent, Splash, 16 oz Capacity, Bottle Packing, 0.935 VOC, Composition: Sodium Edta, Clear/Red/Blue, Ocean Breeze Odor/Scent, Flammability Rating: 0, 1.008 Specific Gravity, Used in all Makes and Models of Evaporative Humidifiers Bestair Humidifier Scent, Splash, 16 oz Capacity, Bottle Packing, 0.935 VOC, Composition: Sodium Edta, Clear/Red/Blue, Cinnamon Apple Odor/Scent, Flammability Rating: 0, 1.008 Specific Gravity, Used in all Makes and Models of Evaporative Humidifiers Original Bt Humidifier Bacteriostatic, Water Treatment, 32 oz Capacity, 0.978 VOC, Clear/Water White/Green, Mild Odor/Scent, Flammability Rating: 0, 1.008 Specific Gravity, For Odors and Algae Golden Solution II 245 Water Treatment Humidifier Bacteriostatic, 32 oz, Clear, Liquid Our Price: $6.44 Essick Air 1970 Humidifier Bacteria Treatment, 32 oz Bottle, Clear, Liquid Our Price: $7.47 Golden Solution II 246 Water Treatment Humidifier Bacteriostatic, 64 oz, Clear, Liquid Our Price: $8.30 Golden Solution Ii Humidifier Bacteriostatic, Water Treatment, 32 oz Capacity, 1 pH, Liquid, Clear, Pungent Odor/Scent, Used in All Evaporative Type Humidifiers Essick Air Humidifier Bacteria Treatment, 32 oz Capacity, Bottle Packing, 5.46 pH, Liquid, Composition: N-Alkyl Di Methyl Benzyl, Clear, Mild Odor/Scent, Flammability Rating: 0, 0.996 g/ml Specific Gravity, For Water Wheel and Wick Humidifiers Golden Solution II Humidifier Bacteriostatic, Water Treatment, 64 oz Capacity, 1 pH, Liquid, Clear, Pungent Odor/Scent, Used in All Evaporative Type Humidifiers Bestair A10 Water Pad, For Use with Humidifier, 9-1/2 X 10 in, Metal Our Price: $8.86 Bestair H55-C Wick Filter, For Use with Humidifier, 7 X 9-1/4 X 1-5/8 in, Aluminum, White Our Price: $8.88 Bestair D88 Wick Filter, For Use with Humidifier, 8-3/4 X 2-3/4 X 6.38 in, Aluminum, White Our Price: $9.12 Bestair Water Pad, Suitable For Use With: 110, 220, 550 Furnace Humidifier, 9-1/2 X 10 in, Metal Bestair Wick Filter, Suitable For Use With: HM250, 405, 406, 1000, 1025, 1050, 2000 Humidifier, 7 X 9-1/4 X 1-5/8 in, Aluminum, White Bestair Wick Filter, Suitable For Use With: HCM890, DH888, 890, 890C Humidifier, 8-3/4 X 2-3/4 X 6.38 in, Aluminum, White Bestair L8-C Wick Filter, For Use with Humidifier, 8-1/8 X 12 X 1-3/4 in, Aluminum, White Our Price: $10.66 Bestair H100-3-5/H100-6 Wick Filter, For Use with Humidifier, 7-3/4 X 3.38 X 5-3/4 in, Aluminum Our Price: $10.78 Bestair A35 Water Pad, For Use with Humidifier, 10 X 13 X 1-1/2 in, Metal Our Price: $10.86 Bestair Wick Filter, Suitable For Use With: Lasko 1128, 1129 Humidifier, 8-1/8 X 12 X 1-3/4 in, Aluminum, White Bestair Wick Filter, Suitable For Use With: 5520RC, 6010RC Humidifier, 7-3/4 X 3.38 X 5-3/4 in, Aluminum, White Bestair Water Pad, Suitable For Use With: 350, 360, 400, 400A Furnace Humidifier, 10 X 13 X 1-1/2 in, Metal Bestair E2R Wick Filter, For Use with Humidifier, 6-1/4 X 11 X 2 in, Aluminum, White Our Price: $11.56 Bestair A10W Water Pad, For Use with Humidifier, 9-1/2 X 10 in, Metal Reinforced Paper Our Price: $11.79 Bestair H62/85 Wick Filter, For Use with Humidifier, 4-1/2 X 2-1/2 X 9-1/4 in, Aluminum, White Our Price: $12.18 Bestair Wick Filter, Suitable For Use With: 14407, 14451, 1442, 29974, 14413 needs 4 Humidifier, 6-1/4 X 11 X 2 in, Aluminum, White Bestair Water Pad, Suitable For Use With: 110, 220, 550 Furnace Humidifier, 9-1/2 X 10 in, Metal Reinforced Paper Bestair Wick Filter, Suitable For Use With: Halls HLS1300, 1400 Humidifier, 4-1/2 X 2-1/2 X 9-1/4 in, Aluminum, White Bestair ES12 Wick Filter, For Use with Humidifier, 6-1/2 X 9 X 2-3/8 in, Aluminum, White Our Price: $12.26 Patton HWF62PDQ-U Humidifier Filter, For Use With WWHM1230 and WWHM1285 Humidifier, White Our Price: $12.48 Bestair H64-C Wick Filter, For Use with Humidifier, 6-1/8 X 20 X 1 in, Aluminum, White Our Price: $12.64 Bestair Wick Filter, Suitable For Use With: HD1100/02 Quiet Comfort 12 gal Humidifier, 6-1/2 X 9 X 2-3/8 in, Aluminum, White Patton Humidifier Filter, Suitable For Use With: WWHM1230 and WWHM1285 Humidifier, White Bestair Wick Filter, Suitable For Use With: HM1645, 1730, 1745, 1750 Humidifier, 6-1/8 X 20 X 1 in, Aluminum, White Bestair G13 Water Pad, For Use with Humidifier, 11-3/4 X 10 X 1-1/2 in, Metal, Ceramic Coated Our Price: $12.86 Bestair A35W Water Pad, For Use with Humidifier, 10 X 13 X 1-1/2 in, Metal Reinforced Paper Our Price: $13.11 Bestair ESW-C Wick Filter, For Use with Humidifier, 6-3/8 X 11 X 4-1/2 in, Aluminum, White Our Price: $13.34 Bestair Water Pad, Suitable For Use With: General Models 709, 990, 1040 Furnace Humidifier, 11-3/4 X 10 X 1-1/2 in, Metal, Ceramic Coated Bestair Water Pad, Suitable For Use With: 350, 360, 400, 400A Furnace Humidifier, 10 X 13 X 1-1/2 in, Metal Reinforced Paper Bestair Wick Filter, Suitable For Use With: HD07W Humidifier, 6-3/8 X 11 X 4-1/2 in, Aluminum, White Bestair H-75C Wick Filter, For Use with Humidifier, 7-1/2 X 28-1/8 X 1 in, Aluminum, White Our Price: $13.34 Bestair CB43 Wick Filter, For Use with Humidifier, 10-1/2 in L X 4-1/4 in W X 12-1/2 in H, White Our Price: $13.96 Bestair HCC31 Humidifier Cleaner Capsule Our Price: $14.10 Bestair Wick Filter, Suitable For Use With: GE 106663, 106763 Humidifier, 7-1/2 X 28-1/8 X 1 in, Aluminum, White Bestair Wick Filter, Suitable For Use With: Bemis Spacesaver 800 Series Console Portable Humidifier, 10-1/2 in Length X 4-1/4 in Width X 12-1/2 in Height, Aluminum, White Bestair Humidifier Cleaner Capsule, Used in all Types of Humidifiers Patton HWF64PQD-U Wick Filter, For Use With Holmes HM-1730, 1745, 1750 and 2200 Humidifier Our Price: $14.14 Bestair HW14 Wick Filter, For Use with Humidifier, 7 X 8-3/8 X 7/8 in, Aluminum, White Our Price: $14.36 Bestair HW500 Wick Filter, For Use with Humidifier, 5 X 19 X 1 in, Aluminum, White Our Price: $14.38 Patton Wick Filter, Suitable For Use With: Holmes HM-1730, 1745, 1750 and 2200 Humidifier Bestair Wick Filter, Suitable For Use With: HCM6009, 6011i, 6011ww, 6012i, 6013i Humidifier, 7 X 8-3/8 X 7/8 in, Aluminum, White Bestair Wick Filter, Suitable For Use With: V3500, Robitussin DH835, ReliOn RH1300 Humidifier, 5 X 19 X 1 in, Aluminum, White 1 2 3 ... 8