British Berkefeld - Ultra Sterasyl® 7" Ceramic (NSF Certified) Replacement Water Filter

BUY NOW AND SAVE 15% ALL SUMMER LONG 

NSF-Certified Ultra Sterasyl Ceramic Water Filter - Compatible with Berkey®, British Berkefeld®, ProOne®, Alexapure®, Purewell®, and More

The Ultra Sterasyl Ceramic Water Filter is the only gravity-fed water filter element in the world certified to NSF 42, 53, 372, and 401 standards.

The NSF-certified British Berkefeld Ultra Sterasyl is our bestselling ceramic replacement filter for gravity water filtration systems. Each filter features a microfiltration ceramic outer shell combined with a granular activated carbon core and heavy metal reduction media to provide reliable, great-tasting drinking water.

Benefits

• No priming required – works immediately
• Removes up to 99.99% of bacteria
• Reduces a wide range of contaminants including E. coli, pharmaceuticals, herbicides, pesticides, heavy metals, and chlorine
• Retains beneficial minerals naturally present in your water
• Improves taste, clarity, and odour of water
• Simple filter replacement and maintenance
• Gravity-powered operation requires no electricity
• Ideal for emergency preparedness, off-grid living, camping, cottages, and everyday use

Filter Lifespan

Each Ultra Sterasyl filter element is rated for approximately 1,500 litres (396 gallons) of water, depending on water quality and usage conditions.

Compatibility

Compatible with gravity water filter systems from:

• British Berkefeld®
• Berkey®
• ProOne®
• Alexapure®
• Phoenix®
• Purewell®
• And many more

Please Note: This is the 7" Ultra Sterasyl filter, designed for smaller gravity filtration systems and applications where height clearance is limited. If you are replacing a standard-size Berkey®, British Berkefeld®, or ProOne® filter element, you may require the 8" version instead.

Not compatible with Berkey PF-2 fluoride and arsenic filters.

Need Help Choosing the Right Filter?

Not sure which replacement filter you need? Contact our team with a photo of your current filter or system and we'll help identify the correct replacement.

Fast Shipping Across Canada & the USA

We proudly ship replacement water filters across Canada and the United States, helping customers keep their gravity water filtration systems performing at their best.