Waslix is an American owned and managed company located on the east coast in Pittsburgh, PA.
The original CuZn Filtration Company is no longer operating. We have improved upon the original CuZn Water Filters by using premium filtration media to adsorb more impurities from your water. The new water filters last longer with overall cleaner water.
water treatment poe replace filter
filter housings 45x20 grey

STANDARD SIZE. EXCEPTIONAL FILTRATION QUALITY.

Our Jumbo Point-Of-Entry filtration cartridges are compatible with almost every type of 4.5x20 POE filter housing systems



 

replace your water filter with better media

"Every water filter system makes tap water taste better", CUZN Filter uses premium filtration media to remove more contaminants for better-tasting water you'll actually enjoy drinking, while making your water filter last noticeably longer than what you have been used to.

SERIES: Jumbo (4.5x20) Replacement Water Filters

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Custom POE Filter Cartridge (Jumbo)

Custom POE Filter Cartridge (Jumbo)

Model: CF-4520  |  Size: 4.5x20

You request it, we build it.

Insert up to 10 different filtration media and arranged according to your personal preference.

Original Price
$ 40.00
Price
$ 35.00
Chlorine Filtration

Chlorine Filtration

Model: CL-B-4520  |  Size: 4.5x20

Intended to reduce or eliminate residual chlorine through a redox reaction.
Original Price
$ 150.00
Price
$ 95.00
Chlorine +

Chlorine +

Model: CL-B-AC-4520  |  Size: 4.5x20

A drop in replacement cartridge to absorb chlorine and other impurities from your water supply.
Original Price
$ 220.00
Price
$ 130.00
Chlorine Adsorption (Bamboo AC)

Chlorine Adsorption (Bamboo AC)

Model: CL-BB-45  |  Size: 4.5x20

Bamboo based activated carbon
Original Price
$ 120.00
Price
$ 100.00
Chlorine All Jacobi AC

Chlorine All Jacobi AC

Model: CL-AAC-4520  |  Size: 4.5x20

We fill this filtration cartridge up with Jacobi’s high performance AC to keep your water clean for longer than what you have experienced with other filters.
Original Price
$ 230.00
Price
$ 155.00
Chlorine Strong Adsorption

Chlorine Strong Adsorption

Model: CL-ACB-4520  |  Size: 4.5x20

We combine bamboo + coconut activated carbons for superior filtration and better-tasting water than standard filters.
Original Price
$ 260.00
Price
$ 160.00
New
Chlorine Wide Spectrum

Chlorine Wide Spectrum

Model: CL-WS-4520  |  Size: 4.5x20

Upgraded from CuZn’s original, our filter blends bamboo+coconut carbon with KDF—lasting longer while removing more chlorine, heavy metals, and inhibiting bacteria growth than standard carbon filters.
Original Price
$ 400.00
Price
$ 260.00
Chloramine Premium AC

Chloramine Premium AC

Model: CHL-B-AC-4520  |  Size: 4.5x20

Chloramine (chlorine + ammonia) is tough to remove—but Jacobi's premium carbon adsorbs it better and lasts longer than standard media.
Original Price
$ 400.00
Price
$ 280.00
Chloramine Wide Spectrum

Chloramine Wide Spectrum

Model: CHL-WS-4520  |  Size: 4.5x20

Upgraded from the original CuZn KR-101A, this new generation filter features advanced KDF media and premium Jacobi activated carbon for superior filtration performance.
Original Price
$ 400.00
Price
$ 280.00
Chloramine Advanced Spectrum

Chloramine Advanced Spectrum

Model: CHL-AS-4520  |  Size: 4.5x20

Includes a powerful redox filtration media, more than 10X stronger than regular KDF, to pull impurities out of your chlorine treated water source.
Original Price
$ 500.00
Price
$ 300.00
KDF with Silver Ions

KDF with Silver Ions

Original Price
$ 130.00
Price
$ 100.00
KDF 55

KDF 55

Original Price
$ 230.00
Price
$ 180.00
KDF 85

KDF 85

Original Price
$ 230.00
Price
$ 180.00
KDF 55 Blend

KDF 55 Blend

Model:  KDF-55 Blend |  Size: 4.5x20

A mixture of KDF-55 and KDF silver ions media
Original Price
$ 200.00
Price
$ 150.00
KDF Blend

KDF Blend

Original Price
$ 300.00
Price
$ 200.00
KDF Powerhouse

KDF Powerhouse

Model: KDF-P-4520  |  Size: 4.5x20

A high-performance filter combining special KDF and other redox media to tackle heavy metals, lead, organic contaminates, control bacteria and many other impurities. Ideal for dual and triple POU water filtration systems.
Original Price
$ 440.00
Price
$ 300.00
Nano KDF 20x

Nano KDF 20x

Original Price
$ 425.00
Price
$ 360.00
Fluoride Strong Adsorption

Fluoride Strong Adsorption

Model: FSA-4520  |  Size: 4.5x20

Drink safer, cleaner water with our specialized Fluoride and Activated Carbon filtration media. Adsorb fluoride and a large range of water impurities from your water supply.
Original Price
$ 200.00
Price
$ 130.00
Fluoride +

Fluoride +

Model: FL-P-4520  |  Size: 4.5x20

Drink safer, cleaner water. Our Fluoride + filter cuts fluoride concentrations to protect your health from the negative impacts linked to excessive fluoride consumption.
Original Price
$ 400.00
Price
$ 300.00
Healthy Boost

Healthy Boost

Model: HB-4520 |  Size: 4.5x20

Give your water a healthy boost! Our natural filtration technologies enhance hydration, remove toxins, and infuse beneficial minerals—turning every sip into a wellness upgrade for your body and mind.
Original Price
$ 160.00
Price
$ 130.00
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Seriously,
better filtration media is critical to cleaner water

Account Profile


cuzn waslix logo
“CUZN Filter” lends its name from the discovery of KDF in the early 1980’s. KDF is a high-purity copper-zinc (CuZn) alloy that uses redox chemistry to adsorb contaminants from water.

CuZnFilters.com managed by Waslix, LLC

Our philosophy is to foster a strong association between how clearly clean water will have a healthy biological influence on our bodies and preventative repairs and maintenance to homes and businesses.

Connect with us:

412-848-5058   |   Sales@Waslix.com 
Located in Pittsburgh, PA