The Sport Berkey Replacment filters:
The portable Sport Berkey® Bottle is durable, handy and convenient; ideal for use when on the go such as driving, camping, exercise, backpacking, travel, and during unexpected emergencies.
Removes:
Uses the same filtration medium as the larger Black Berkey® Purification Element.
99.9% of unpleasant tastes and odours, cloudiness, silt, sediment and chlorine, toxic chemicals (Trihalomethanes, VOCs, detergents, pesticides, etc.)
99.99999% of harmful microscopic pathogens (Cryptosporidium, Giardia, E-coli, etc.) and other pathogenic bacteria
Significantly removes heavy metals such as Aluminum, Cadmium, Chromium, Copper, Lead, and Mercury and Radiologicals such as Radon 222
 
Specifics
Solid Carbon Block filter element made from natural coconut husk
Filters up to 416 litres (640 refills of the Sport Berkey)
Replaceable Filter Element
LDPE #4 medical grade polymer, which is BPA Free.
Has a 50-year shelf life. Ideal for long term storage and backup for disasters.
Squeezable: Fill other containers with filtered water & prime Black Berkey elements (for other Berkey systems) when off-grid and no water pressure is available