How AquaTru Purifiers Work

Powerful science, made simple.

AquaTru's 4-stage reverse osmosis technology goes beyond the taste and odor focus of many basic filters, reducing contaminants you may prefer to leave out of your glass. 

Image showing the filtration process of the AquaTru Pre/Carbon filter, Reverse Osmosis filter, and VOC Carbon Filter.
Stages 1 + 2: Clean & Prepare

Capture larger particles and reduce chlorine and chloramines, preparing your water for deeper purification.

Stage 3: Deep Purification

Reverse osmosis does the heavy lifting, reducing harder-to-remove contaminants including lead, fluoride, arsenic, nitrates, chromium-6 and microplastics.

Stage 4: Finish for Great Taste

Final carbon filtration targets additional contaminants while giving your purified water a clean, fresh taste.

AquaTru water filtration system with text highlighting customer satisfaction and benefits of cleaner, safer water.

Pour with confidence

Use purified water for the moments that happen all day, from your first glass in the morning to family dinners, coffee, tea, and reusable bottles.

Drink with confidence: keep cleaner, better-tasting water ready for everyday hydration.

Cook with purified water: use it for soups, pasta, vegetables, and family meals.

Improve coffee and tea: reduce unwanted tastes and odors that can interfere with flavor.

Use fewer plastic bottles: reduce the need to buy, carry, store, and discard bottled water.

Why households make the switch

“I researched for quite some time before purchasing the Carafe, and that time was well spent. The water tastes noticeably better.”

— April K.

“This purifier delivers exactly what it promises: pure, great-tasting water in a sleek, compact design.”

— Tarama L.

“Great tasting water that makes excellent coffee and tea. It is highly recommended.”

— Diane L.

Questions before choosing your AquaTru?

Get quick answers about model selection, filtration, installation, and long-term ownership.

Visit AquaTru Support

Which AquaTru water purifier is best for my household?

Choose Carafe for compact spaces and one or two people, Classic for larger countertop capacity, Under Sink for purified water directly from a dedicated faucet, and Freestanding for offices or shared spaces serving more than 25 people.

What is the difference between a water filter and a water purifier?

Basic filters often focus on taste and odor. AquaTru home purifiers combine multiple filtration stages with reverse osmosis to reduce a broader range of dissolved contaminants.

Do AquaTru countertop purifiers require plumbing?

No. AquaTru Carafe and Classic sit on the countertop and operate without permanent plumbing or installation. They require access to a standard electrical outlet.

Should I choose countertop or under-sink purification?

Countertop models are ideal for renters, easier setup, and flexibility. Under Sink is best when you want more stored water, clear countertops, and purified water available from a dedicated faucet.

What is the Alkaline Mineral Boost option?

The Mineral Boost finishing filter adds calcium and magnesium after purification, creating a smoother, mineral-water-style taste.

How often do AquaTru filters need to be replaced?

Replacement timing varies by filter and model. Many pre/carbon filters last about six months, finishing filters about one year, and reverse osmosis filters up to two years under typical use.

Clean Water, Made Easy.

Regular filter replacement helps keep your AquaTru performing at its best. 

Shop Replacement Filters