Duchess British Berkefeld® Ultra Sterasyl Gravity Water Filter System (6 Litre)

$357.00

6 Litre/1.5 Gallon Capacity | Accommodates: 1-2 people

British Berkefeld® – The Gold Standard in Gravity-Fed Water Filtration

Water is essential to life. With a British Berkefeld® gravity water filter system, you’re providing your body with clean, mineral-rich drinking water—at home or wherever life takes you. Built for performance, portability, and peace of mind, it’s the trusted choice for everyday hydration, emergencies, and off-grid living.


6 Litre – Duchess Ultra Sterasyl Gravity Water Filter System

  • Capacity: 6 Litres / 1.5 Gallons (Serves 1–2 people)

  • Filtration Rate: Up to 2 Litres per hour with 2 filters installed

  • Construction: Premium AISI 304 stainless steel (polished finish)

  • Filter Options:

    • 2 x 7″ British Berkefeld® Ultra Sterasyl Ceramic Water Filters

    • Filters are NSF Certified – the only gravity-fed ceramic filters in the world to carry this distinction

  • Filter Lifespan:

    • Up to 3,000 Litres / 800 Gallons per set

    • Typical replacement interval: Once per year (may vary by water quality)

    • Contaminants removed by British Berkefeld ceramic filters:
      • Bacteria: Effectively removes bacteria like E. coli, cholera, and typhoid.
      • Chlorine: Reduces chlorine levels, improving taste and odor.
      • Heavy Metals: Reduces lead and other heavy metals like aluminum, chromium, copper, and cadmium.
      • Microplastics: Removes microplastics from drinking water.
      • PFAS: Reduces the presence of PFAS, also known as “forever chemicals”.
      • Pesticides and Herbicides: Filters out a range of pesticides and herbicides.
      • Pharmaceuticals: Reduces the presence of pharmaceuticals in water.
      • And Many Other Chemicals: Removes a variety of other chemicals and contaminants.
  • Not suitable for use with:

    • Salt water or water softened with salt-based systems

Give Your Body the Best

British Berkefeld® systems provide clean, safe, and great-tasting water—free from over 200 contaminants, while retaining essential minerals for hydration and overall wellness.

Live better. Drink smarter. Trust British Berkefeld®. 

Exclusive Lifetime Warranty

Every new British Berkefeld® Water Filter System purchased from Canada Water Filter is backed by our Exclusive Lifetime Warranty—a mark of our confidence in British engineering and our commitment to customer satisfaction.

 

26 in stock

  • * 

    The 6 Litre - Duchess Water Filter System includes:

    2 Ultra Sterasyl ceramic water filters.

    +Add Accessories (Optional)

    🛒 Bundle & Save 5%!
    Upgrade your British Berkefeld Water Filter System with extra filters and accessories — and get 5% off your total.
    Discount is automatically applied at checkout.

Description

 

6 Litre / 1.5 Gallons Duchess British Berkefeld® Ultra Sterasyl

Gravity Water Filter System 

Countertop Convenience. Trusted Filtration. British Quality.

The 6 Litre Duchess British Berkefeld® Gravity Water Filter System is a sleek, stainless steel countertop unit that delivers exceptional filtration—no plumbing, electricity, or priming required. Just fill the upper chamber with water, and let gravity do the work.

Ideal for home, travel, or emergency preparedness, the Duchess provides clean, great-tasting water for 1–2 people—anywhere, anytime.


Why Choose the Duchess System?

  • Filter Options:

  • 2 x 7″ British Berkefeld® Ultra Sterasyl Ceramic Water Filters
    (NSF-Certified — the only NSF-certified gravity ceramic filters in the world)

    • Removes or reduces over 200+ common contaminants, including:

      • Bacteria (e.g. E. coli)

      • Lead, arsenic, and heavy metals

      • PFAS, pesticides, and herbicides

      • Pharmaceuticals, microplastics, and chlorine

    • Retains beneficial minerals your body needs

  • Exceptional Filtration Performance

    • Filtration Rate: Up to 2 litres per hour

    • Filter Life: Up to 3,000 litres / 800 gallons per set
      (Filter life may vary depending on water quality; average replacement is yearly.)

  • Durable & Portable Design

    • Built from polished AISI 304 stainless steel

    • Easy to assemble, disassemble, and transport

    • Compact enough for apartments, RVs, dorms, cottages, or off-grid cabins

    • Great for outdoor adventures, emergency kits, or disaster preparedness


Specifications:

  • Capacity: 6 Litres / 1.5 Gallons (Same size as Travel Berkey®)

  • Serves: 1–2 people

  • Height (Assembled): 18″ (45.7 cm)

  • Diameter: 7.5″ (19 cm)

  • Weight: 8 lbs (with filters installed)

  • Construction: Polished stainless steel (upper & lower chambers)


What’s Included in the Box:

  • 2 x 7″ British Berkefeld® Ultra Sterasyl Ceramic Water Filters 

  • Upper and lower stainless steel chambers

  • Stainless steel lid with knob and screw

  • BPA-free plastic spigot

  • Rubber base gasket

  • 2 wing nuts and washers for filter installation


Key Benefits at a Glance:

  • 💧 Great Tasting Water – Improves the taste, smell, and clarity of your drinking water

  • 🛡️ Peace of Mind – NSF-certified filtration with rigorous lab testing

  • 🧳 Travel-Ready – Ideal for camping, hiking, or any off-grid setting

  • 🌍 Eco-Friendly & Cost-Saving – Less than 2¢ per gallon compared to bottled water

  • 🛠️ Simple Setup – No tools, plumbing, or electricity needed


Important Notes:

  • Not compatible with salt water or water softened with salt

  • Not compatible with Berkey PF-2™Fluoride & Arsenic Reduction Filters


British Berkefeld®: The Gold Standard in Gravity Filtration

With over 200 years of British engineering expertise, British Berkefeld® continues to lead in gravity-fed water purification. Each unit is proudly made in Britain, held to rigorous quality standards, and trusted worldwide for daily use, travel, and emergencies.