Culligan US-EZ-4 Under Sink Water Filtration System, Premium
Culligan US-EZ-4 Under Sink Water Filtration System, Premium
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Culligan US-EZ-4 Under Sink Water Filtration System, Premium

4.1 stars out of 41 reviews
(4.1)|
41 ratings

About this item

Smart summary

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  • Comprehensive Filtration: Reduces bad taste and odor, aesthetic chlorine taste and odor, sediment, lead, cysts, mercury, turbidity, particulate class I, VOCs, MTBE, and chloramines.
  • Long-lasting Filter: Filter lasts up to 6 months or 500 gallons, depending on usage and water conditions, with a flow rate of 0.5 GPM.
  • Easy Installation: Features a twist-on, twist-off design for easy cartridge changes, built-in quick-connect fittings, and double water shut-off.
  • Dedicated Faucet: Includes a lead-free faucet with a built-in electronic life indicator for convenient monitoring.
  • Complete Package: Comes with a filter head with built-in bracket, RC-EZ-4 Premium Filtration replacement cartridge, mounting screws, supply adapter, and 1/4-inch plastic tubing.
  • Under Sink Design: Designed for undercounter installation, providing clear, clean, great-tasting water for drinking and cooking.

Specifications at a glance

Brand
ZeroWater
Dimensions
3.50 x 3.50 x 14.33 in
Condition
New
Has written warranty
Yes - Warranty URL
Weight
4 lb
Pieces
1
$86.15
Price when purchased online
  • Free shipping
  • Free 90-day returns

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Sacramento, 95829
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Culligan US-EZ-4 Under Sink Water Filtration System, Premium
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Culligan US-EZ-4 Under Sink Water Filtration System, Premium
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Comparison Chart:
Dimensions3.50 x 3.50 x 14.33 inCulligan US-EZ-4 Under Sink Water Filtration System, Premium2.00 x 1.16 x 4.69 inBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT2563.30 x 3.40 x 3.00 inBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass7.40 x 4.00 x 3.90 InchesBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT84195.00 x 5.12 x 6.97 inBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG4.00 x 4.00 x 4.00 inBaldwin Filters Hydraulic Filter,144 Micron,Metal PT235353.00 x 3.69 x 5.56 inBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT830412.00 x 3.53 x 11.44 inBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT847919.50 x 5.00 x 19.80 inBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In4.00 x 1.84 x 3.31 inBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG
ConditionNewCulligan US-EZ-4 Under Sink Water Filtration System, Premium-Baldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT256-BALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, FiberglassNewBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419NewBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG-Baldwin Filters Hydraulic Filter,144 Micron,Metal PT23535NewBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304-Baldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479NewBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 InNewBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG
Has written warrantyYes - Warranty URLCulligan US-EZ-4 Under Sink Water Filtration System, PremiumNoBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT256NoBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass-Baldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419NoBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPGNoBaldwin Filters Hydraulic Filter,144 Micron,Metal PT23535NoBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304NoBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479NoBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 InNoBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG
Weight4 lbCulligan US-EZ-4 Under Sink Water Filtration System, Premium0.1 lbBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT2561.05 lbBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass1 lbBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT84192.15 lbBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG1 lbBaldwin Filters Hydraulic Filter,144 Micron,Metal PT235351.45 lbBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT83041.47 lbBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479-BALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In0.4 lbBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG
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Customer ratings & reviews

4.1 out of 5 stars
stars41 ratings33 reviews
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Showing 1-3 of 33 reviews
Jun 27, 2025
SonzTwin
5 out of 5 stars review
Verified Purchase
After having looked through Consumer Reports' comprehensive review of all types of water filters, and the ratings on different brands, this was an easy pick. Haven't tried it yet as it's waiting to be installed, but, hey, I wanted the $5 code!! And how can CR be wrong: it's science at work! Oh I rated the installation '5' - I'm paying someone else to put it in! :-D
Incentivized Review
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Nov 25, 2012
chipanddale
5 out of 5 stars review
Verified Purchase

Great filter system

I like this one because it has an indicator to let you know when the filter needs to be changed. Convenient to have it right at the sink when needed. I didn't like the ones that you keep in your refrigerator, takes up precious room. Excellent product.
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Jul 18, 2025
Margaret
5 out of 5 stars review
Verified Purchase

Cullagan Water Filtration

very easy to install. price was right. I like the battery operated light that let's you know when it's time to replace the filter
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