Huining 400GPD RO Membrane 3012-400 Residential Reverse Osmosis Membrane Water Filter Cartrige Replacement for Home Drinking Water Filtration System Household Under Sink Water Purifier
Huining 400GPD RO Membrane 3012-400 Residential Reverse Osmosis Membrane Water Filter Cartrige Replacement for Home Drinking Water Filtration System Household Under Sink Water Purifier
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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
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- 【 0.0001um Filtration Accuracy】Generates directly drinkable water, effectively reduces impurities down to 0.0001um, such as soluble salt in water.
- 【Universal Size】 Industry standard size 3.0” X 12”, fits in all standard 3012 residential RO membrane housings (3” Inner Diameter).
- 【High Permeability & Stable Salt Rejection】Daily water purifying capacity reaches 400GPD at 95% rejection rate.
- 【Food-grade Material】Made of industry leading Thin Film Composite (TFC) membrane, which has stable performance. The smooth contact surface ensures large water flow.
- 【Life Time】 24-36 months, depend on your feed water quality.
Overview
- Material : Nylon
- Product Dimensions : 12.9"D x 1.9"W x 1.9"H
- Item Weight : 480 g
- External Testing Certification : NSF
- Product Benefits : lower tds

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