Premium Tankless Reverse Osmosis Water Filter System

8-Stage Filtration

The Stokk 8-stage 0.0001μm reverse osmosis (RO) filtration system effectively removes over 1,000 contaminants by 99.99%. This includes TDS, PFAS, PFOA, PFOS, fluorides, chlorides, and more, ensuring you get the purest water.

SGS Certified

SGS has tested and certified the Stokk RO system against NSF/ANSI 58 & 42 American National Standards and EPA 200 standards. This ensures it effectively eliminates hidden risks from tap water. The product is also FCC certified. For detailed test reports, scan the provided QR code.

Tankless Design

Unlike traditional RO water filtration systems, the Stokk tankless reverse osmosis system is sleek and space-saving. It saves over 75% of under-sink space and prevents recontamination, making it ideal for American kitchens. Installation is quick and straightforward—completed in just 30 minutes, saving you valuable time.

Taste Improvement

The S1 reverse osmosis system utilizes composite filter technology, combining a pre-activated carbon filter with a post carbon filter to reduce odor and chlorides. The unique coconut-shell activated carbon post filter further absorbs odors and residual chlorine, making water even purer and fresher.

High Water Capacity and Efficiency

The Stokk S1 Pro reverse osmosis system offers a high water capacity of up to 600 GPD and a 2:1 pure-to-drain ratio. This system meets the water demands of your family, providing instant pure water without waiting. It saves 800% more water compared to ordinary undersink RO systems, making it highly efficient.

Thoughtful and Convenient Design

The S1 Pro tankless RO water filtration system comes with a built-in filter life reminder, eliminating the need to track filter life manually. The filter element has a twist-and-pull design that can be replaced within 2 seconds. Additionally, automatic flush prevents sediment accumulation, extending the filter's lifespan and ensuring consistent purity.

Integrated Product Design

The Stokk reverse osmosis system features advanced electrical and water circuits to reduce leaks. Unique noise reduction technology ensures you enjoy pure water without disturbance. Note that an electrical outlet and drilling holes are required for operation.

USA-Based Solution and Support

Choose Stokk for world-class water filtration solutions and US-based customer support. If you're not satisfied with your purchase, don't hesitate to contact our after-sales team or water specialists for technical support. Below are options for purchasing replacement filters.