iSpring
✓Under-Sink Filters
iSpring FPCT400 Composite Filter for RO400EU Tankless Reverse Osmosis System
★★★★★5
$115.99
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$283.99
AQUALTRA USF-3B-10 Slightly Alkaline Under Sink Water Filter, SGS Certified, Reduce PFOA, PFOS, Chlorine, Lead, Mercury, Chloramine, Fluoride, Microplastics Particles, Bad Taste & Odor
★★★★★
$283.99
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About this item
- 【Better Taste, Better Health】This under-sink alkaline water filter system can add beneficial minerals such as Ca²⁺, Mg²⁺, Na⁺, and K⁺ during the filtration process, bringing a healthier and more delicious drinking water experience.
- 【0.5 μm Ultra-high Precision Filtration】This under sink water filtration system is composed of 3 filters for multi-stage deep filtration including alkaline filtration, with 1550mg/g iodine value top-grade activated carbon fiber materials, to reduce chlorine (>97.2%), chloramine (>99.68%), PFAS (PFOA-98.43% & PFOS>99.50%), lead (>99.80), mercury (>96.87), microplastics particles (>99.99%), fluorides, taste and odor, rust, sediment, sand and large particles. Tested according to NSF/ANSI 42&53 standards by a third-party lab SGS.
- 【High Flow Rate & Long Lifespan】This water purification system boasts a powerful and consistent water flow of up to 0.79 GPM, filling a glass in approximately 5 seconds. Enjoy pure water up to Enjoy pure water up to 24-36 months (32000 Gallons) and say goodbye to frequent filter changes. NOTE: The PP filter can last for 6-12 months (8000 Gallons).
- 【5-Minute Installation, 3-Second Replacement】With push-to-connect and quick twist design, lets you replace each filter in just 3 seconds. The installation of the under sink water filter system takes less than 5 minutes. It comes with two 3/8" hoses, compatible with most standard under-sink plumbing systems. A set of 3/8"-1/2" convertor fitting is convenient for installing when the thread is 1/2". If you have any installation problems, contact our customer service or watch the installation video on this product page.
- 【Superior Design】This water filtration system uses robust, durable materials and a fully enclosed, one-piece design, and has passed numerous pressure, pulse, and static tests. Say goodbye to leaks and cracks forever! Note: After installation, please turn on the tap and let the water flow to flush the filter cartridge for 10 minutes.
- 【Not for Well Water & Hot Water】It is a cold water filter, designed specifically for municipal tap water, and is only suitable for cold water sources. This under sink filter is not suitable for well water or hot water.
- 【Good Service】We value our customer's shopping experience, if you have any problem with AQUALTRA alkaline water filter, please contact us at any time, we will solve it within 24 hours. NOTE: PLEASE MEASURE YOUR UNDER-SINK SPACE BEFORE PURCHASING OUR WATER FILTRATION SYSTEM.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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