Things To Know When Choosing Your Portable Water Filter
Last updated: September 17, 2026Share
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Water has always been considered the universal thirst quencher and something we could never live without. Portable water filters make it convenient to filter water on the go, cutting down on single-use plastic and saving money compared to bottled water. The popular Berkey Sport water bottle filter does just this.

The Berkey Sport Portable Water Filter
Why A Portable Water Filter?
Investing in something like the Sport Berkey bottle filter can add up to real savings compared to a steady habit of bottled water. All you need is one portable filter bottle, and the case of bottled water on your counter starts to disappear. It's inexpensive and frees you from spending a few dollars a day at the store or a vending machine.
If you're picturing a bulky system resembling the countertop unit at home, that's not the case. The Sport Berkey is 11 inches tall, 2.5 inches in diameter, and has a loop for clipping onto a bag or belt loop. The convenience of a reliable, high-quality filter bottle you can refill throughout the day is the main reason people switch to one.
The Sport Berkey Water Bottle Filter
Portable water filters come in different shapes, sizes, prices, and levels of performance. Our most popular option is the 22-ounce Sport Berkey. It uses an ionic adsorption microfiltration process to reduce chlorine, taste and odor, and a range of chemical contaminants when refilled from treated municipal tap water.
The Sport Berkey is built to reduce many common chemical contaminants found in treated tap water, and it's simple to use. When you first receive your bottle, flush the filter with water twice to clear manufacturing dust, and you're ready to go. From there, refill it from a tap water source and squeeze to drink.
The Sport Berkey filter provides clean-tasting water over a long duration of use. The filter inside is rated for about 640 refills from a treated tap water source such as your home, car, or office before it needs to be replaced. Rinsing it after use and letting it air dry will help the filter maintain its integrity. Once the filter reaches the end of its rated capacity, simply swap in a Sport Berkey replacement filter, a process that takes about 30 seconds.

Berkey Sport Replacement Filter
Save yourself the cost and hassle of buying and throwing away bottled water with the Sport Berkey portable water filter. It's convenient, inexpensive, and built for everyday tap water.
Dan DeBaun
Dan is the owner and operator of Big Berkey Water Filters. Prior to Berkey, Dan was an asset manager for a major telecommunications company. He graduated from Rutgers with an undergraduate degree in industrial engineering, followed by an MBA in finance from Rutgers as well. Dan enjoys biohacking, exercising, meditation, beach life, and spending time with family and friends.
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