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Aquasana Water Filtration System

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Enjoy the freshest, purest drinking water with this innovative countertop system. Delivering filtered water in seconds, Aquasana’s electrically powered system uses pressure to quickly force unfiltered water through an ultra-dense filter block. It's up to 10 times more efficient than other leading filtration pitchers—and it's the only one on the market that's proven to reduce chloramines.

  • Convenient countertop filtration system includes a 16-cup (1 gallon) dispenser for on-demand water by the glass, plus an 8-cup (0.5 gal) pitcher that easily detaches and fits nicely in the refrigerator door.
  • Unlike traditional gravity-based filters, the plug-in Aquasana uses powerful, patent-pending Claryum filtration technology to quickly force unfiltered water through a dense filter block, delivering ultra-pure filtered water in just seconds. 
  • Tested by NSF International to reduce 60 contaminants, including lead, mercury, asbestos, giardia, cryptosporidium, herbicides, pesticides—and over 97% of chlorine and chloramines.
  • Only pitcher filter that reduces chloramines, a disinfectant commonly used at many municipal water facilities
  • Long-lasting Claryum filter delivers up to 6 months (320 gallons) of clean, filtered water—longer than any other pitcher filter available.
  • Eco-friendly, low-maintenance system works with easy-to-change replacement cartridges.
  • LED lights let you know when it’s time to change your filter.
  • Includes one Claryum filter; replacement filters sold separately.
Dimensions & More Info

Water Filtration System:

  • 4 1/2" x 18 1/4" x 11 1/2" high overall.
  • Includes a 16-cup (1 gallon) dispenser, plus an 8-cup (0.5 gal) pitcher.
  • This product is intended for use in the United States and Canada and is built to United States electrical standards.
  • Filtration system made in China; filter made in USA.

Replacement Filter:

  • Designed for model AQ-PWFS-RB1
  • Delivers 6 months or 320 gallons of clean, filtered water.
  • Made in USA.
Use & Care


  • Do not operate without the filter cartridge installed.
  • Filter is designed only to be used with cold water.
  • Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection.


  • To clean the filter unit, wipe down the exterior with a damp cloth.
  • Both the pitcher body and dispenser body are dishwasher safe; the lids should be hand-washed.

Shipping Information

This item is shipped from our warehouse by UPS to arrive within five business days of our receiving your order.

Shipping Rates

The shipping rate varies depending on your order total and shipping destination. View Shipping Options and Charges.

Next Day Delivery

For an additional charge of $17.50 per address, we can expedite delivery to most destinations. This service is not available for some oversize items, items shipped directly from the supplier (including perishable and custom-manufactured items), out-of-stock items and items to be shipped outside the contiguous 48 states.

Orders recieved by 9:00 p.m., Eastern time, Monday through Thursday will arrive the next business day; orders placed Friday thorugh Sunday will arrive on the following Tuesday.

Return Policy

At Williams-Sonoma, we take great pride in the quality and craftsmanship of our products. Attention to design, materials, safety and construction are our priority. Upon receipt, please inspect your purchase and notify us of any damage; we will arrange for a prompt replacement.

If within 30 days, you are dissatisfied for any reason, you may return your purchase for a refund of the merchandise value. An original receipt or gift receipt is required for all returns and exchanges. Returns with a gift receipt will be refunded in the form of a Merchandise Credit for the amount indicated on the gift receipt. Returns with original receipt will be refunded in the original form of payment, cash and check refunds over $100 will be issued as a company check (may take 14 business days from time of request).

We cannot accept returns on monogrammed, personalized, special-order items, custom upholstery, items shipped direct from the vendor, or on items damaged through normal wear and tear. Final sale items ending in .97 or .99 cannot be returned.

For returns of items purchased from your Williams-Sonoma Gift Registry, we will gladly provide a refund or exchange for the merchandise within 90 days of your event or within 90 days of purchase, whichever date is later. View Full Return Policy.

Water Filtration System

No longer available