iSpring RO5004F-AK Alkaline Reverse Osmosis Water Filter with UV, 500 GPD, pH+, 2:1 Pure to Drain Tankless Remineralization RO System Under Sink with Boost Pump, Filter Life Monitor, Reduces PFAS, TDS
$ 420
Price: $369.99 - $419.99
(as of Jun 26, 2025 14:18:57 UTC – Details)
Product Description
1 Filter lifetime indicator
2 US-Patented faucet design
3 We know RO
1 Advanced UV protection
2 Boosted performance
Replacement Filters
Add to Cart
Add to Cart
Add to Cart
Price
$36.24$36.24
$40.99$40.99
$91.99$91.99
—
Filtration stage
First
Second
Third
Fourth
Filter Type
Polypropylene
Anti-Scale & Activated Carbon
RO Membrane
Alkaline
Filter Function
Removes Sediment & Particles
Eliminates Scale & Chlorine
Filters Down to 0.0001 Micron
Remineralization
Replacement Cycle
Up to 12 Months
Up to 12 Months
Up to 24 Months
Up to 12 Months
Dimension
3.5 x 3.5 x 12
3.5 x 3.5 x 12
3.5 x 3.5 x 12
3.5 x 3.5 x 12
Product Dimensions : 15.2 x 6.1 x 16.6 inches; 15 Pounds
Item model number : RO5004F-AK
Date First Available : May 29, 2025
Manufacturer : iSpring
ASIN : B0FBC6HPKN
Country of Origin : China
SAVE BIG IN THE LONG TERM: With 20 years of industry experience, we know that maintenance can be a significant cost. Our replacement filters, including FP500, FC500SL, MRO5004F, and FG500AK, offer great value, are made with quality materials, and last longer.
MINERAL BOOST: The natural mineral AK stage adds essential minerals back to your water, delivering natural spring-tasting water with a balanced, healthy pH and multiple essential minerals.
EFFECTIVE FILTRATION: This tankless reverse osmosis water filter eliminates over 99% of 1,000+ harmful contaminants, including PFAS (PFOA and PFOS), TDS, vinyl chloride, chlorine, fluoride, lead, arsenic, asbestos, calcium, sodium, and more.
PATENTED DESIGN – The top-mounted fastener allows for easy countertop installation entirely from above, eliminating the hassle of tightening the nut from underneath the sink.
UV PROTECTION: The built-in UV light lasts up to 8,000 hours and includes filter lifespan monitoring to ensure regular maintenance for optimal performance.
SPACE-SAVING: This reverse osmosis system eliminates the need for a storage tank, freeing up valuable under-sink space.
BUILT-IN PUMP: Enhances RO membrane efficiency for faster water output and a better experience, especially in low water pressure environments.
QUIET OPERATION: Sleek, durable casing reduces noise while maintaining a clean, organized appearance.
HIGH FLOW: Provides up to 500 gallons of filtered water per day, over 5x faster than traditional RO systems—fills a cup in just 10 seconds.
FILTER LIFESPAN MONITOR: Quick twist-to-unlock design and automatic filter life reminders for easy maintenance and optimal performance.
Customers say
Customers find the reverse osmosis system works extremely well and is easy to use and install, with one customer noting it ran smoothly for 4.5 years. The water quality is excellent, with one customer saying it’s better than bottled water, and they appreciate the taste, with one mentioning it leaves no trace of impurities or unpleasant taste. The system provides both cold and hot water, with one customer highlighting its formula temperature feature for baby formula. While some customers find it well-built, others report it breaking after 5 months. The pump functionality and noise level receive mixed reviews – some praise the pump’s quick performance while others report it stopping working, and while some find it extremely quiet, others note it’s noisy when filling.
User Reviews
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