LG Water Filter vs HDX: Which Refrigerator Water Filter Is Best

Have you ever found yourself scratching your head over whether to snag an LG water filter or HDX for your LG refrigerator? Yep, same here. 

With all the talk about replacement water filters, drinking water purity, and getting rid of chlorine, odors, and impurities—it’s a lot to digest. 

Let’s dive into the details of these filter replacements and see which one gives you the best tasting water, free from sediment and all, thanks to NSF-certified filtration! 

Key Takeaways:

• Compatibility: Ensure the filter matches your LG refrigerator model.
• Filtration Quality: LG offers advanced 3-stage filtration, while HDX uses IMPACT technology.
• Cost: HDX filters are more budget-friendly.
• Lifespan: Both brands recommend replacing filters every six months.
• Warranty: LG offers a 1-year limited warranty; HDX provides a 90-day limited warranty.

LG Water Filter vs HDX: Which Refrigerator Water Filter Is Best for Me?

Comparative Table

Below is a table summarising the key differences:

Aspect	LG Water Filter	HDX Water Filter
Compatibility	OEM, fits LG refrigerators specifically	Fits LG models like LT700P, ADQ36006101, ADQ36006102, LFX25976SW, 46-9690 (FML-3); LT800P, ADQ73613401 (FML-4) for French door/side-by-side models
Filtration Process	3-stage: sediment filter, activated carbon filter, ion exchange resin filter, removes chlorine, lead, mercury	I.M.P.A.C.T. technology: microporous membrane with activated carbon block, NSF certified, removes chlorine, lead, iron, manganese, hydrogen sulfide, herbicides, insecticides, cysts, bacteria
Lifespan	Replace every 6 months; up to 200 gallons	Replace every 6 months or after 300 gallons, dual pack lasts a year
Cost	~$50 for one (e.g., LT600P: $49.99)	~$50 for 2-pack (e.g., FML-4: $49.95 at Home Depot)
Warranty	1-year limited warranty	90-day limited warranty

1. Compatibility

LG water filters are Original Equipment Manufacturer (OEM) products, specifically designed for LG refrigerators.

They guarantee a proper fit from installation, ensuring optimal performance and compatibility.

LG emphasises that only genuine filters are covered under their warranty, warning that third-party filters, such as HDX, may cause damage and are not covered, potentially leading to unnecessary repairs (LG Refrigerator Filters).

However, many users report successful use of HDX filters without issues.

HDX water filters, a store brand available at Home Depot, are designed as direct replacements for LG OEM filters. They are compatible with various LG models, including:

• FML-3: Fits LG LT700P, ADQ36006101, ADQ36006102, LFX25976SW, and Kenmore 46-9690.
• FML-4: Fits French door/side-by-side models like LG LT800P, ADQ73613401.

Compatibility makes HDX a practical alternative, though users should verify the specific model number to ensure fit.

2. Filtration Process

Both LG and HDX filters are certified by NSF (National Sanitation Foundation), ensuring they meet industry standards for contaminant reduction. Below is a detailed breakdown:

LG Water Filter:

Utilises a 3-stage filtration system:

• Sediment filter: Removes larger particles.
• Activated carbon filter: Reduces chlorine, taste, and odour.
• Ion exchange resin filter: Targets lead and mercury.

Removes contaminants such as chlorine, lead, and mercury, with some models (e.g., LT1000PC, LT700P) certified to additional standards:

• NSF42: Reduces aesthetic effects like chlorine taste and odour.
• NSF53: Reduces health-related contaminants like lead and cysts.
• NSF401: Targets emerging contaminants, including pharmaceuticals, hormones, and PFAS, as seen in models like LT1000PC (LG LT1000PC).

LG’s official product pages, such as for the LT1000P, state they remove pesticides, chemicals, and detergents, ensuring high-quality drinking water (LG LT1000P).

HDX Water Filter:

Employs I.M.P.A.C.T. technology, which includes a microporous membrane with an activated carbon block.

NSF certified to reduce a broader range of contaminants, including:

• Chlorine, lead, fluoride, iron, manganese, hydrogen sulfide, herbicides, insecticides, cysts, and bacteria.
• Specific product pages, such as for HDX1PKDS0, mention certification against lead, chlorine, fluoride, iron, and more, suggesting compliance with NSF42 and NSF53 standards (HDX Refrigerator Water Filter).
• The inclusion of cysts and bacteria removal may be advantageous for users with water sources prone to higher impurity levels, though this may be overkill for municipal water supplies.

The comparison suggests HDX offers potentially broader filtration, while LG’s certifications, especially NSF401 for some models, cater to emerging contaminants, which may be relevant for specific water quality concerns.

3. Lifespan

Both filters have similar replacement intervals:

• LG Water Filter: Typically lasts 6 months or up to 200 gallons, depending on usage and water quality. Some advanced models may have specific intervals for components, but standard refrigerator filters align with the 6-month guideline.
• HDX Water Filter: Lasts 6 months or 300 gallons, whichever comes first. A dual pack (e.g., FML-4) is designed to last a year, providing convenience for regular replacements.

Both align with industry recommendations for optimal performance, ensuring fresh water throughout the lifespan.

4. Cost

Cost is a significant differentiator:

• LG Water Filter: Costs approximately $50 for a single filter (e.g., LT600P: $49.99, as per LG vs HDX Comparison). The higher price reflects its OEM status and guaranteed fit.
• HDX Water Filter: Offers better value, with a 2-pack costing around $50 (e.g., FML-4: $49.95 for a 2-pack at Home Depot, translating to $25 per filter). This makes HDX more economical over time, especially for users who replace filters biannually.

For budget-conscious users, HDX provides significant savings without compromising on filtration, as evidenced by user reviews praising its affordability (HDX Refrigerator Water Filters).

5. Warranty

Warranty periods differ, impacting long-term reliability:

• LG Water Filter: Comes with a 1-year limited warranty, offering extended protection and peace of mind for users who prefer OEM products.
• HDX Water Filter: Provides a 90-day limited warranty, which is shorter but still covers initial use, ensuring basic protection for a short period (HDX FMM-2 Filter).

The shorter warranty for HDX may be a consideration for users seeking longer-term assurance, though many report satisfactory performance within the 90 days.

Are HDX water filters as good as LG?

Are HDX water filters from Home Depot as good as LG? If you’re considering a refrigerator filter today and get parts and filter replacement refrigerator, deciding between an LG and an HDX refrigerator filter can be tricky. HDX claims their replacement filter for your LG fridge is pretty much the same. The replacement refrigerator water filter removes impurities, including the chlorine taste and odor.

Their refrigerator filter is an ideal choice, specially crafted for users seeking a cost-effective replacement filter for your LG unit. Moreover, the Inline filter ensures water treatment is at its best. When the water passes through the filter, it removes contaminants and leaves you with clean water for your water bottles and ice maker.

Although HDX is not a name brand like LG, their replacement refrigerator filter works efficiently. You can get their replacement refrigerator filter–aquapurefilters.com or straight from Home Depot. Comparing to the replacement filter for your lg fridge, HDX definitely holds its ground. So for many, the replacement refrigerator water filter is an ideal replacement, fits in place of lg filter model.

Are refrigerator water filters dangerous if not changed, or is that just marketing?

You’re wondering if the whole water filter replacement fits LG thing is legit? If you’ve got an LG refrigerator and ice maker, it’s not just marketing.

When you don’t replace the filter, all sorts of gunk can build up inside the filter. Trust me, using a generic water filter can mess with your great tasting water and clear ice.

A good replacement for LG fridges, ensures your water through the filter stays clean. You know, brands like Home Depot’s HDX make it easy to keep that tasting water and clear ice cubes flowing.

Yes, it’s worth it to seek out the ideal replacement filter.

It’s cool if you prefer bottled water, but a proper filter for your LG refrigerator can save money and hassle. Besides, a good filter model ensures your water filtration system works at its peak, giving you great tasting water and clear ice. 

FAQs