

Hero image 0 of Culligan US-EZ-4 Under Sink Water Filtration System, Premium, 0 of 5
Culligan US-EZ-4 Under Sink Water Filtration System, Premium
About this item
Smart summary
Generated by AI
- 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
USD$86.15
Free 90-day returns

Price when purchased online
- Free shipping
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Sacramento, 95829
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.Order within 4 hr 33 min
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About this item
Product details
Clear, clean, great-tasting water for drinking and cooking is easier to achieve than ever before with the Culligan® family of EZ-Change Drinking Water Filters. The Culligan® US-EZ-4 Premium Under-sink Drinking Water Filter System features a twist-on, twist-off mechanism, quick-connect fittings, and double water shut-off. The filter reduces bad taste & odor, aesthetic chlorine taste & odor, sediment, lead, cysts such as giardia and cryptosporidium, mercury, turbidity, particulate class I, VOC's, MTBE, and chloramines. The package includes filter head with built in bracket, RC-EZ-4 Premium Filtration replacement cartridge, mounting screws, supply adapter, lead-free faucet with built-in electronic life indicator, 1/4-inch plastic tubing.
- Reduces bad taste and odor, aesthetic chlorine taste and odor, sediment, lead, cysts such as giardia and cryptosporidium, mercury, turbidity, particulate class I, VOCs, MTBE, and chloramines. 0.5 GPM flow rate.
- Filter lasts up to 6 months or 500 gallons, depending on usage and water conditions. Flow rate of .5 gpm
- Features twist-on, twist-off design for easy cartridge change, built-in quick-connect fittings, and double water shut-off
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Brand
ZeroWater
Manufacturer Part Number
US-EZ-4
Assembled Product Dimensions (L x W x H)
3.50 x 3.50 x 14.33 in
Warranty
Warranty information
2 year limited warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
proposition 65 reasons:titanium dioxide, other chemicals
State Chemical Disclosure
None
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Dimensions | 3.50 x 3.50 x 14.33 inCulligan US-EZ-4 Under Sink Water Filtration System, Premium | 2.00 x 1.16 x 4.69 inBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT256 | 3.30 x 3.40 x 3.00 inBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass | 7.40 x 4.00 x 3.90 InchesBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419 | 5.00 x 5.12 x 6.97 inBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG | 4.00 x 4.00 x 4.00 inBaldwin Filters Hydraulic Filter,144 Micron,Metal PT23535 | 3.00 x 3.69 x 5.56 inBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304 | 12.00 x 3.53 x 11.44 inBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479 | 19.50 x 5.00 x 19.80 inBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In | 4.00 x 1.84 x 3.31 inBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG |
---|---|---|---|---|---|---|---|---|---|---|
Condition | NewCulligan 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, Fiberglass | NewBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419 | NewBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG | -Baldwin Filters Hydraulic Filter,144 Micron,Metal PT23535 | NewBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304 | -Baldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479 | NewBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In | NewBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG |
Has written warranty | Yes - Warranty URLCulligan US-EZ-4 Under Sink Water Filtration System, Premium | NoBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT256 | NoBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass | -Baldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419 | NoBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG | NoBaldwin Filters Hydraulic Filter,144 Micron,Metal PT23535 | NoBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304 | NoBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479 | NoBALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In | NoBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG |
Weight | 4 lbCulligan US-EZ-4 Under Sink Water Filtration System, Premium | 0.1 lbBaldwin Filters Hydraulic Filter,Element Only,4-11/16" L PT256 | 1.05 lbBALDWIN FILTERS PT23201-MPG Hydraulic Filter, 10 micron, Fiberglass | 1 lbBaldwin Filters Hydraulic Filter,Element Only,6-17/32" L PT8419 | 2.15 lbBaldwin Filters Hydraulic Filter,Element Only,6-31/32" L PT9380-MPG | 1 lbBaldwin Filters Hydraulic Filter,144 Micron,Metal PT23535 | 1.45 lbBaldwin Filters Hydraulic Filter,Spin-On,5-9/16" L BT8304 | 1.47 lbBaldwin Filters Hydraulic Filter,Element Only,11-7/16" L PT8479 | -BALDWIN FILTERS PT7617 Hydraulic Filter,4 x 18-29/32 In | 0.4 lbBaldwin Filters Hydraulic Filter,Element Only,3-5/16" L PT8962-MPG |
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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
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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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Baldwin Filters Hydraulic Filter,Element Only,6-3/4" L PT9267$120.07current price $120.07Shipping, arrives in 3+ daysParker Hydraulic Filter, 3 Micron,Cellulose 12AT103CBPCN12H
Parker Hydraulic Filter, 3 Micron,Cellulose 12AT103CBPCN12H$64.23current price $64.23Shipping, arrives in 3+ daysCARTEX Hydraulic Filter 7004884 for FITS Bobcat Excavator E62 E80 E85
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Donaldson P179089 Filter$36.19current price $36.19Shipping, arrives in 3+ daysBaldwin Filters Hydraulic Filter,Element Only,6-21/32" L PT9304-MPG
Baldwin Filters Hydraulic Filter,Element Only,6-21/32" L PT9304-MPG$59.14current price $59.14$59.14/1Save withShipping, arrives in 3+ daysBaldwin Hydraulic Filter PT9304-MPG
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Hydraulic Element Baldwin PT9447$58.05current price $58.05Shipping, arrives in 3+ daysReplacement Hydraulic Filter Compatible with Schroeder AZ10, 2-Pack
Replacement Hydraulic Filter Compatible with Schroeder AZ10, 2-Pack$70.81current price $70.81Shipping, arrives in 3+ daysR55F20G PT9420-MPG 21W-60-41121 hydraulic oil filter fits pc60-7
R55F20G PT9420-MPG 21W-60-41121 hydraulic oil filter fits pc60-7$76.09current price $76.09+$9.80 shippingShipping, arrives in 3+ daysMT40220109 Hydraulic Filter
MT40220109 Hydraulic Filter$22.50current price $22.50Shipping, arrives in 3+ daysST30856 P502269 Hydraulic Filter Strainer Element HF35511 PT9443 4443596 4448401
ST30856 P502269 Hydraulic Filter Strainer Element HF35511 PT9443 4443596 4448401$99.99current price $99.99+$11.00 shippingShipping, arrives in 3+ daysHydraulic Filter Baldwin PT8972-MPG
Hydraulic Filter Baldwin PT8972-MPGNow $97.37current price Now $97.37$129.89Was $129.89$97.37/1Save withShipping, arrives in 3+ daysBaldwin PT8484 Hydraulic Element with Bail Handle
Baldwin PT8484 Hydraulic Element with Bail Handle$84.00current price $84.00Save withShipping, arrives in 3+ days
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