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Crystal Quest

Crystal Quest SMART | Undersink Water Filter System

Regular price $149.90 USD
Regular price Sale price $149.90 USD
Sale Sold out
Shipping calculated at checkout.

🩵Clean Water, Healthier Life

🔄Risk Free: 30-Day Return Policy

🆓Fast & Free Delivery on 48 States

💳Buy Now, Pay Later with Shop Pay


Configuration

Pure Water, Straight from Your Tap—
Cleaner, Safer, and Tastier!

Enjoy cleaner, healthier water with the Crystal Quest SMART Undersink Water Filter — designed for simple installation and powerful filtration. This Easy Install Water Filter fits neatly under your sink, delivering purified water straight from your tap without taking up valuable space.

Its multi-stage filtration effectively reduces chlorine, heavy metals, and contaminants for safer, better-tasting water. Choose from three configurations:

  • Single Configuration – Essential filtration for common contaminants.
  • Double Configuration – Added carbon block for enhanced protection.
  • Triple Configuration – Maximum purification with added sediment filtration.

With a steady 0.5 GPM flow rate and high-capacity filters, you’ll enjoy consistent water quality with fewer replacements. Ideal for homes, RVs, and offices — it's the perfect solution for clean, great-tasting water.

Get SMART Plus replacement filter here.

Get Carbon Block replacement filter here.

Get Sediment replacement filter here.

🔄 Filter Lifespan: Up to 10,000 gallons per cartridge.
🚰 Flow Rate: 0.5 GPM
💧 Operating Pressure: 20 - 60 psi
🌡️ Operating Temperature: 40°F - 90°F

Filtration Features

✅ Compact Design:
Fits neatly under your sink for space-saving convenience.
✅ Easy Installation:
Simple setup with no professional plumber required.
✅ Multi-Stage Filtration:
Reduces chlorine, heavy metals, and other contaminants.
✅ Long-Lasting Performance:
High-capacity cartridges for reduced maintenance.
✅ Flexible Configuration Options:
Choose from Single, Double, or Triple setups.

Technical Specifications

Item Weight: 6 / 9 / 14 lbs
Item Dimensions:
Single Cartridge: 5.0"(L) x 5.0"(W) x 14.0"(H)
Double Cartridge: 10.0"(L) x 5.0"(W) x 14.0"(H)
Triple Cartridge: 15.0"(L) x 5.0"(W) x 14.0"(H)

Flow Rate: 0.5 GPM (1.9 lpm)
Capacity : 10,000 gallons per cartridge

Operating Pressure (Min-Max: 20 psi (1.4 bar) - 60 psi (4.1 bar)
Operating Temperature (Min-Max): 40° F (4.0°C) - 90° F (32°C)

Manuals & Documentations

User Manual,https://cdn.shopify.com/s/files/1/1286/9985/files/Undersink-SingleDoubleTripleManual23.pdf?v=1691524150
Warranty,https://cdn.shopify.com/s/files/1/0244/5787/1444/files/Crystal_Quest_Warranty.pdf?v=1720181478

How We Ship Your Order

Order Confirmation: As soon as you place your order, you will receive an order confirmation email automatically. This confirms we received your order and pre-authorized your credit card.

We Process Your Order: We work in the background to match your order with the closest available inventory to you. We work with and confirm availability with our warehouse network, and we get a confirmation the order has shipped. This process typically takes 3-5 days but can be several weeks (if your item is made to order).

We Navigate & Keep You Informed: We make sure you receive your orders as smoothly as possible. If there are any challenges with stock availability, shipping times, shipping carrier cost changes, damages that occur during shipping, or anything else, we are here to help. We will reach out to you by email, sms or phone to make sure you are always informed.

We Provide Shipment Tracking: All orders will be shipped via small parcel or shipped via freight companies that specialize in larger products. As soon as your order has shipped, tracking information will be sent via email or sms. We aim to provide tracking within 3 days from the time when we receive the order from you.

Your Order is Delivered: Once your shipment arrives, inspect the packaging before accepting and signing for delivery whenever possible.

If anything does arrive damaged, take photos and reach out to us immediately. Keep everything together (do not discard packaging or shipping materials) and wait for instructions so your order can be returned and exchanged for an undamaged and working product.

What if I need to cancel?

  1. Cancellations of Made-to-Order Items: Once confirmed, an order for a made-to-order item may be considered final and partially (up to fully) non-refundable. 
  2. Cancellations of Available Items: If the item you ordered is available for shipping, it may ship within 24-48 hours of your order. If an item is already shipped, the order can not be canceled. We will help you return the item, but restocking fees may apply if canceled after shipping. Read the full policy.
  3. Cancellations of Preorders: If an item is not currently available, but we keep your order in place as a pre-order. You are welcome to cancel; however, please note that fees will apply as costs are incurred. 

Pricing Matching & Bulk Discounts

Price Matching:
When we decide what products to make available online, we compare ourselves with others in the marketplace so that we can ensure we offer some of the most competitive prices online.

While we may not beat everyone if you are buying one item from us, we always do our best to provide you with the best value we can offer.

If you do find a better price, we’ll do our best to meet or beat their offer when possible! Here are a few limitations that we will not attempt to match;

  1. The competitor must have the item available.
  2. The competitor can not be a discounter or auction website.
  3. The competitor must be an Authorized Retailer of the product.

We may not allow rebates or promotions to be combined with items we discount for price matching.

Bulk Discounts:
Looking to place a larger order but need better pricing? Reach out to our team to discuss your needs and we will be happy to provide you a full estimate with the maximum discount applied based on your order.

Frequently Asked Questions About the SMART Under Sink water Filter

How does the SMART Undersink Water Filter improve water quality?

The system reduces chlorine, heavy metals, VOCs, and other impurities, ensuring cleaner, safer water straight from your tap.

How often should I replace the filters?

Each cartridge lasts up to 10,000 gallons or approximately 12-18 months, depending on water quality and usage.

Can I install this system myself?

Yes! The SMART Undersink Water Filter features an Easy Install Water Filter design, complete with clear instructions and included hardware.

Is this filter system suitable for well water?

Absolutely! The SMART system effectively filters both city and well water. For extremely hard water, pairing with a pre-filter is recommended.

Does this system affect my faucet’s water pressure?

The system maintains a steady 0.5 GPM flow rate, ensuring consistent water pressure for everyday use.

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