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Opti

6 Pack UnderSink System (Retail $300 / Affiliate $225)

6 Pack UnderSink System (Retail $300 / Affiliate $225)

2x Longer Filter Life Compared To Competitors
Filters Last Up to 3-4 Months or 200 Gallons
Removes 99.99% of Lead, Microplastics + more
Save up to $1000 a year by switching from bottled water to Opti
$210.00
$300.00 $210.00
Sale Sold out

The Opti UnderSink System fits conveniently under your sink. Fits standard 3/8 U.S. Kitchen Sinks. Save money on water and reduce wasteful plastic bottles. The OPTI  UnderSink System provides fresh, clean filtered water at a fraction of the price.

Easy to install and use, the OPTI UnderSink System works by simply screwing the ends together under your sink.

Features:

  • Compatible with the Opti UnderSink System.
  • American Made Components
  • Proven Tested Technology

Benefits:

  • 1 Year of Filtered water

    What's Included:

    • 6 Sediment Filter
    • 6 CTO (Chlorine, Taste, Odor)
    • 6 VOC (Volatile Organic Material)
    View full details

    Let customers speak for us

    from 174 reviews
    Perfect water filter

    The newest model of the Opti water filter is flawless. The water is delicious, the basin is large and functional, and it fits in a fridge that does not have tall spaces between shelves. Great customer service too. 10/10

    Lauren Fecarotta
    Opti Chill | 2 Gallon Alkaline Water Dispenser + 1 Filter (200 Gal)
    No More Bottled Water

    I love Opti water filter. It gives me peace of mind knowing I will have clean, filtered water all the time. It also saves my back from lifting the heavy bottled water while saving the environment from plastic bottles.

    Jaylyn Trogen
    Opti Drop | 3 Gallon Alkaline Countertop Dispenser + 1 Filter (200 Gal)
    We like it!

    We like it so far! Water tastes delicious and free of chlorine. It filters pretty fast.

    Molly Palmer
    Opti Drop | 3 Gallon Alkaline Countertop Dispenser + 1 Filter (200 Gal)
    much cleaner and better tasting water

    I actually like to drink water now. Not true before using Opti Chill.

    Larry Woods
    Opti Chill 120 Gallon Alkaline Water Replacement Filter

    convenient process
    great product !

    Sean OConnor
    Opti 200 Gallon Alkaline Water Replacement Filter
    Opti water filter refill

    Always a satisfying experience to drink my filtered Opti water.
    Love my Opti

    Jana Black
    Opti 200 Gallon Alkaline Water Replacement Filter
    Great product, easy to change out

    Super clean taste. Easy to change out filter when it needs to be replaced. This is our new source of drinking water.

    Jake Campbell
    Opti 200 Gallon Alkaline Water Replacement Filter
    Best Filtered Water!

    Wevuse this in our studio and it removes the chlorine and the other things that are added to the water. The water filters through and it's so clean and fresh! Thank you for making such an amazing product. All of us at WellStrong

    Diane Precourt
    Opti Flex | 3 Gallon Alkaline Top-Load Dispenser + 1 Filter (200 Gal)
    Great product

    Really enjoy my optic water products. The water is amazingly good and refreshing.😊

    Sonya Colbert
    Opti Chill White Spigot Replacement
    Long lasting

    Love my Opti. Have had it for about 2 years and the filters last a long while compared to others

    Robert Payne
    Opti 200 Gallon Alkaline Water Replacement Filter
    Very clean tasting

    We’ve filled up probably x10 so far and it still has a great taste. Loving the new addition to the household.

    Jake Campbell
    Opti Flex | 3 Gallon Alkaline Top-Load Dispenser + 1 Filter (200 Gal)

    Good and clean water

    GERALDINE
    Opti 200 Gallon Alkaline Water Replacement Filter
    Satisfied customer

    This filter is the best thing I can get my hands on if I want good tasting water so fresh. I don’t know what I would do without it. No more bottle water Thanks you guys!!!

    Sonya Colbert
    Opti 200 Gallon Alkaline Water Replacement Filter

    works great...thank you for great custumer service....

    Sherri Behumeur
    Opti Chill White Spigot Replacement
    So far so good

    Everything went together easily and I have been drinking the water instead of bottled water. It’s Ph test was as good as the bottled water I used. So I’m glad to have a replacement for bottles.

    Scott Dexter
    Opti Chill | 2 Gallon Alkaline Water Dispenser + 1 Filter (200 Gal)

    Our Water Infrastructure is Crumbling

    Over 9 million lead service lines still deliver drinking water to U.S. homes today.

    Most of the country’s water infrastructure is over 100 years old, corroded, and leaching toxic metals.

    CERTIFIED 99.99% TOXIN REMOVAL

    2x Longer Lasting Protection from Lead, Microplastics + more

    Each Opti Water™filter keeps you protected for 3–4 months (or 200 gallons) — twice as long as brands like Brita and PUR — while removing the most dangerous tap water toxins, including lead, microplastics, PFAs (forever chemicals), chlorine, mercury, copper, and other heavy metals.

    PREMIUM FILTRATION

    Organic Filtration Compounds

    Opti Water™ Filters use premium solid coconut carbon and a proprietary blend of adsorption compounds to remove 99.99% of harmful contaminants, enhance alkalinity, and preserve essential minerals.

    Customer Reviews

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