Culligan US-DC3 Under Sink Water Filter System, Direct Connect, Premium Lead Filtration, Removes 99% Lead, Chlorine, Taste & Odor, 4,750-Gal, 12-Month Cartridge, 1.5 GPM
Culligan US-DC3 Under Sink Water Filter System, Direct Connect, Premium Lead Filtration, Removes 99% Lead, Chlorine, Taste & Odor, 4,750-Gal, 12-Month Cartridge, 1.5 GPM
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
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Fast U.S. Shipping
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✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
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About This
- High Lead Reduction & Water Purity: Certified to reduce up to 99% lead, chlorine, bad taste & odor, mercury, microbial cysts, and VOCs for safer drinking water.
- Long-Lasting Cartridge Life: Delivers up to 4,750 gallons or 12 months of filtration with quick twist-lock replacement (use part US-DC3-R; compatible with US-DC1-R and US-DC2-R).
- Strong Flow Rate & Convenience: Maintains 1.5 GPM flow through the cold water line, installs under sink with included 3/8″ plastic tubing and mounting hardware.
- Easy Installation & Low Maintenance: Under sink system includes integrated bracket, plastic tubing, supply adapter, and screws. Filter swap is tool-free and fast.
- Compact & Certified Performance: Compact white direct connect system, tested to NSF and IAMPO standards (ANSI/NSF 42, 53, etc.), handles up to 500 ppm TDS (Total Dissolved Solids).
Overview
- Brand : Culligan
- Special Feature : Chlorine Reduction
- Product Dimensions : 4"L x 6.1"W x 15"H
- Material : Plastic
- Capacity : 4750 Gallons
- Included Components : Filter Cartridge
- Package Information : Faucet
- Installation Type : Under Sink
- Purification Method : Carbon Block
- Power Source : Power_source_type

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide