--- product_id: 746325183 title: "Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required" brand: "waterdrop" price: "₨14228" currency: SCR in_stock: true reviews_count: 8 category: "Waterdrop" url: https://www.desertcart.sc/products/746325183-waterdrop-t4-a-alkaline-ph-reverse-osmosis-water-filter-dual store_origin: SC region: Seychelles --- # Smart filter life alerts 450 GPD ultra-fast flow Dual purified & alkaline streams Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required **Brand:** waterdrop **Price:** ₨14228 **Availability:** βœ… In Stock ## Summary > πŸ’¦ Elevate your hydration game with next-level purity and style! ## Quick Answers - **What is this?** Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required by waterdrop - **How much does it cost?** ₨14228 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/746325183-waterdrop-t4-a-alkaline-ph-reverse-osmosis-water-filter-dual) ## Best For - waterdrop enthusiasts ## Why This Product - Trusted waterdrop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Tankless Space-Saver:** Compact design frees up 70% more under-sink space while preventing secondary contamination. - β€’ **Eco-Friendly Efficiency:** Industry-leading 2:1 pure to drain ratio reduces wastewater by up to 800% compared to traditional RO systems. - β€’ **Hassle-Free Maintenance:** LED indicators and buzzer alerts keep you ahead of filter replacementsβ€”never miss a change. - β€’ **Dual Flow, Dual Benefits:** Switch seamlessly between pure RO water and mineral-rich alkaline water for tailored hydration. - β€’ **10-Stage Precision Filtration:** Eliminates PFOA, PFOS, chlorine, heavy metals, and more for crystal-clear, great-tasting water. ## Overview The Waterdrop T4-A is a cutting-edge, NSF/ANSI 372 certified 10-stage reverse osmosis system featuring dual flow for both purified and alkaline water. Delivering an impressive 450 gallons per day with a tankless design, it maximizes under-sink space and minimizes wastewater with a 2:1 pure-to-drain ratio. Smart filter life reminders and BPA-free materials ensure convenience and safety, making it the ultimate upgrade for health-conscious professionals seeking premium water quality. ## Description Product description Replacement Filters for WD-T4-A RT-2CFCBALK Filter RT-2CFCBALKRO Filter RT-CF Filter RT-CB Filter RT-ALK Filter RT-450RO Filter ## Features - [Dual Water Flow]: The WD-T4-A RO system offers two purified water options: a standard RO-purified stream and a mineral-enhanced alkaline stream. Switch between them effortlessly based on your needs β€” both deliver contaminant-reduced drinking water. Dual LED ensure complete water safety from filtration to faucet *NOTE: Faucet installation requires drilling holes in the countertop - [10-Stage Filtration with RO Membrane]: This system reduces harmful substances, including PFOA & PFOS, chlorine, heavy metals, rust, colloids and more impurities, through its comprehensive filtration stages. The dedicated mineral-enriched line then infuses beneficial alkaline minerals, delivering healthier, great-tasting water. 𝐍𝐨𝐭𝐞: This system requires an electrical connection for operation - [450GPD Flow & 2:1 Pure to Drain]: With a 450-gallon-per-day capacity and industry-leading 2:1 water-saving ratio, the WD-T4-A provides fast, on-demand purified water while reducing wastewater by up to 800% compared to traditional RO systems - [Smart Filter Life Reminder]: You won't miss a filter change with the indicator lights and buzzer alerts. Replacement intervals: CF filter: 6 months; RO membrane: 24 months; CB filter: 12 months; Alkaline mineralizer: 12 months - [Tankless Design]: The compact, tank-free system effectively avoids secondary contamination risks associated with water storage tanks, while freeing up 70% more under-sink space than traditional tank-based RO systems ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F5V9G355 | | Best Sellers Rank | #12,886 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Under-Sink & Countertop Filtration | | Brand | Waterdrop | | Brand Name | Waterdrop | | Capacity | 450 Gallons | | Customer Reviews | 4.5 out of 5 stars 121 Reviews | | Included Components | Tankless RO ( CF Filter, CB Filter, ALK Filter, RO Filter ), Dual Flow Faucet | | Item Dimensions L x W x H | 16.54"L x 6.22"W x 17.95"H | | Item Weight | 10.98 Kilograms | | Manufacturer | Waterdrop | | Material | Reverse Osmosis | | Material Type | Reverse Osmosis | | Model Name | WD-RT44D-WAD | | Model Number | WD-RT44D-WAD | | Other Special Features of the Product | Alkaline 450GPD Tankless RO, 10-Stage, NSF/ANSI 372 Certified, 2:1 Pure to Drain, Plug-in required | | Part Number | WD-RT44D-WAD | | Product Dimensions | 16.54"L x 6.22"W x 17.95"H | | Special Feature | Alkaline 450GPD Tankless RO, 10-Stage, NSF/ANSI 372 Certified, 2:1 Pure to Drain, Plug-in required | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Waterdrop - **Capacity:** 450 Gallons - **Included Components:** Tankless RO ( CF Filter, CB Filter, ALK Filter, RO Filter ), Dual Flow Faucet - **Item Weight:** 10.98 Kilograms - **Manufacturer:** Waterdrop - **Material:** Reverse Osmosis - **Model Name:** WD-RT44D-WAD - **Product Dimensions:** 16.54"L x 6.22"W x 17.95"H - **Special Feature:** Alkaline 450GPD Tankless RO, 10-Stage, NSF/ANSI 372 Certified, 2:1 Pure to Drain, Plug-in required ## Images ![Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required - Image 1](https://m.media-amazon.com/images/I/719YgI8NGvL.jpg) ![Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required - Image 2](https://m.media-amazon.com/images/I/71OQtk6kPNL.jpg) ![Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required - Image 3](https://m.media-amazon.com/images/I/71x7GB9GBnL.jpg) ![Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required - Image 4](https://m.media-amazon.com/images/I/81hLFOKNC6L.jpg) ![Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage, 450 GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in Required - Image 5](https://m.media-amazon.com/images/I/816NJ5fkJuL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***I on October 26, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***J on April 28, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***O on March 3, 2026* --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/746325183-waterdrop-t4-a-alkaline-ph-reverse-osmosis-water-filter-dual](https://www.desertcart.sc/products/746325183-waterdrop-t4-a-alkaline-ph-reverse-osmosis-water-filter-dual) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-05-07*