Name: Lennox X6673 Healthy Climate Air Purifier 20x25x5 Inch MERV 11 Filter (3 Pack)
Brand: Lennox
SKU: 3IEKCSC074KX
Availability: OutOfStock
Rating: 5 (2 reviews)

Walmart US Ecommerce Website

GENERAL MERCHANDISE

PHARMACY

GROCERIES

VUDU

SPARK

PHOTO

ADVERTISING

SAVINGS CATCHER

GIFTCARDS

INHOME

AFFILIATE

ONEAPP

LOTUS

HELP

SMART_REORDER

GROCERY

CONV_COMMERCE

Shop

The Home Event PIP banner dWeb Wk 14-15 2026

Buy Box Ad Container Module for Desktop

Custom HTML Module - About Klarna

Custom HTML Module - About SalesFinancing - Second update

You'll choose a plan at checkout.

#515357

I want delivery savings with Delivery Pass

#0071dc

NEW Fulfillment Tue Apr 15 2025 2:17 PM EDT

MTZ Team | Marquee 1 Ad | Item Page

MTZ Team | Marquee 2  Ad | Item Page

MTZ Team | Skyline Ad | Item Page

Other products of interest

MTZ Team | Sponsored Product Carousel - Item Page

More items to explore

MTZ Team | Sponsored Product Carousel - Item Page Broad 

NEW AddonServicesRedesign Fri Jul 18 2025 1:30 PM EDT

NEW AddToCart Mon Jul 14 2025 3:50 PM EDT

NEW AddToCart Tue Apr 15 2025 2:19 PM EDT

NEW BrandBoxDisplayAd Mon Jul 14 2025 9:14 PM EDT

NEW BrandLink Wed Apr 23 2025 12:07 AM EDT

NEW Breadcrumb Mon Apr 07 2025 8:23 PM EDT

Walmart Rewards Mastercard

NEW FinancingOptions Tue Dec 10 2024 3:32 PM EST

I want shipping & delivery savings with

NEW Fulfillment Mon Jul 14 2025 4:00 PM EDT

New Item Page - Nutrition Value Placeholder Module, Wednesday, February 08, 2023, 5:11:53:90 pm

New Item Page - Product Description Placeholder Module, Wednesday, February 08, 2023, 5:14:04:38 pm

New Item Page - Product Ingredients Placeholder Module, Friday, February 10, 2023, 10:34:23:79 am

New Item Page - Product Specifications Placeholder Module, Wednesday, February 08, 2023, 5:15:29:61 pm

New Item Page - Reviews Placeholder Module, Wednesday, March 22, 2023, 10:04:29:34 am

New Item Related Shelves Module, Thursday, June 15, 2023, 6:08:51:10 am

 Price Match Policy

Prices, terms, and availability may vary online, in stores, and in–app. If the advertised price is not shown here, inventory at the advertised price may now be sold out. Please see the other offers, if available, while quantities last. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold in store by Walmart may be eligible for a price match to online items shipped and sold by Walmart. For variable weight items, price shown is an estimated price only – you will be charged for the actual weight of the item. See our

NEW LegalPriceDisclaimer Mon Jul 14 2025 4:11 PM EDT

NEW LegalPriceDisclaimer Wed Apr 30 2025 12:13 AM EDT

NEW ListsAndRegistries Tue Apr 15 2025 4:50 PM EDT

NEW PaymentPlans Mon Jul 14 2025 4:15 PM EDT

NEW PaymentPlans Tue Apr 15 2025 1:31 PM EDT

NEW PriceInformation Tue Apr 15 2025 1:30 PM EDT

NEW ProductDescriptionPlaceholderATF Tue Jul 08 2025 11:41 PM EDT

NEW ProductFlags Thu Apr 10 2025 11:42 PM EDT

NEW ProductHighlightsPlaceholder Wed Jul 02 2025 12:43 AM EDT

NEW ProductImages Tue Apr 15 2025 2:13 PM EDT

NEW ProductName Tue Apr 15 2025 12:53 PM EDT

NEW ProductReturnPolicyDetails Tue Dec 10 2024 3:17 PM EST

NEW ProductReturnPolicy Mon Jul 14 2025 5:04 PM EDT

Return Policy

NEW ProductReturnPolicy Tue Apr 15 2025 2:28 PM EDT

NEW ProductStickyBuyBox Wed Jul 02 2025 12:55 AM EDT

NEW PromoDiscount Tue Apr 15 2025 6:53 PM EDT

New SellersSecondaryBuyBox Module, Tuesday, September 05, 2023, 4:02:21:76 pm

Shop Confidently

NEW ShopWithConfidence Thu Jan 15 2026 2:20 PM EST

NEW SocialProofMessage Tue Apr 15 2025 7:17 PM EDT

NEW SoldAndShippedBy Mon Jul 14 2025 5:04 PM EDT

NEW SoldAndShippedBy Tue Apr 15 2025 2:23 PM EDT

New!

More savings, less stress.

HSK_Subscribetosave_E_v2

NEW SubscriptionOptionsModule Tue Apr 15 2025 6:44 PM EDT

NEW SubscriptionPriceMessage Wed Apr 23 2025 6:48 PM EDT

NEW Variants Wed Apr 23 2025 11:01 PM EDT

[Sticky] BuyBoxAd Mon Aug 11 2025 3:59 AM EDT

[Sticky] PriceInformation Mon Jul 14 2025 4:03 PM EDT

Syndigo

#000000

Item Carousel - Rich Relevance 1

RR carousel

Item Carousel - Rich Relevance 2

RR carousel 2

Item Carousel - Rich Relevance 3

Lennox X6673 Healthy Climate Air Purifier 20x25x5 Inch MERV 11 Filter (3 Pack)

<ul><li>Replacement air filters for your Lennox Healthy Climate HC11 air purifiers</li><li>Filters out and captures dust, pollen, pet dander, and other particles as small as 0.3 microns</li><li>Rated at MERV 11 efficiency for optimal air quality</li><li>Measures 19-3/4 inches long, 24-3/4 inches wide, and 4-3/8 inches high</li><li>Model number: HCF20-10; Part number: X6673</li><li>For best results, replace filter every 6 months</li><li>Color: White</li><li>Dimensions (L x W x H): 19.75 x 24.75 x 4.38 inches</li></ul>

Assembled Product Dimensions (L x W x H)

Brand

Model

Keep your air purification system running its best by replacing the filter every 6 months. When it's time to replace the air filter in your Lennox Healthy Climate air purification system, trust the Lennox Filter Replacement to keep your air clean, clear, and breathable.

This air purifier replacement filter is Lennox part number X6673 with the model number HCF20-10. Use this replacement air filter with Lennox Healthy Climate HC11 air purifiers. This replacement air filter measures 19-3/4 inches long, 24-3/4 inches wide, and 4-3/8 inches high.

Designed to keep your air clean, this air filter is rated at MERV 11 efficiency. This means it can filter out particles in the air as small as 0.3 microns.

Breathe easier in your home by replacing an old or dirty air filter with this Lennox Air Purifier Filter Replacement.

Universal Product Code (UPC check)

These filters are great quality and, most importantly,  fit exactly right into the furnace filter housing.  Some other filters I've tried don't fit well but these do.  Easy to install, easy to remove and dispose of.  Ordered and they arrived in a few days in one nice box.  Perfect!

walmart.com