--- product_id: 533606142 title: "GeoPress One-Way Drink Mix Valve - for Electolytes, Mixes, and Flavored Drinks" brand: "grayl" price: "¥4388" currency: JPY in_stock: true category: "Grayl" url: https://www.desertcart.jp/products/533606142-geopress-one-way-drink-mix-valve-for-electolytes-mixes-flavored store_origin: JP region: Japan --- # Supports electrolytes & flavored drinks Compatible with 2nd gen GeoPress cartridges One-way valve prevents backflow GeoPress One-Way Drink Mix Valve - for Electolytes, Mixes, and Flavored Drinks **Brand:** grayl **Price:** ¥4388 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game—pure, mixed, and ready for every adventure! ## Quick Answers - **What is this?** GeoPress One-Way Drink Mix Valve - for Electolytes, Mixes, and Flavored Drinks by grayl - **How much does it cost?** ¥4388 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/533606142-geopress-one-way-drink-mix-valve-for-electolytes-mixes-flavored) ## Best For - grayl enthusiasts ## Why This Product - Trusted grayl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Clean & Safe:** Dishwasher-safe, BPA-free silicone valve keeps your drink fresh and residue-free. - • **Mix It Up Anywhere:** Add electrolytes, sport mixes, or flavored beverages without sacrificing filtration quality. - • **Versatile Hydration:** Perfect for juice, bubbly water, mocktails, and cocktails—your adventure just got tastier. - • **Next-Gen Compatibility:** Works exclusively with 2nd generation GeoPress cartridges featuring advanced horizontal vents. - • **No Backflow, No Compromise:** Six duckbill valves ensure pure water flows forward only, keeping your filter pristine. ## Overview The GRAYL GeoPress One-Way Drink Mix Valve is a patent-pending, BPA-free silicone accessory designed for the 2nd generation GeoPress 24 oz water purifier. It features six one-way duckbill valves that prevent backflow, allowing you to safely add electrolytes and flavored drinks without compromising water purity. Dishwasher safe and versatile, it transforms your GeoPress bottle into the ultimate all-in-one hydration system. ## Description By GRAYL, this GeoPress One-Way Electrolyte and Drink-Mix Valve was released in April 2023 for use in a GRAYL 24 oz GeoPress Water Filter & Purifier Bottle. It is only compatible with the 2nd generation GeoPress Filter & Purifier Cartridge that include a new "core" and "flow channel" design with horizontal vents (sold separately beginning April 2023). 1st generation cartridges are not compatible with the Drink-Mix Valve. A feature no other drink-thru filter bottle can deliver, the GeoPress One-Way Valve allows electrolytes and sport drink mixes to be added to clean purified water without compromising the integrity of the filter. Also allows a GeoPress to be used with a variety of flavored drinks such as juice, bubbly water, mocktails and cocktails. Weight: .42 oz (12 g). Size: 2.25" (5.8 cm) H x 1" (2.6 cm) W. Made from BPA-freefood-grade silicone. Compatible with GRAYL 24 Fl Oz GeoPress Filter & Purifier Bottle. Package contains one GeoPress One-Way Electrolyte and Drink-Mix Valve and a Care & Use Manual. Designed in Seattle, WA, and made in China. Patent-pending. ## Features - COMPATIBILITY. Works with Grayl 24 Fl Oz GeoPress Replacement Purifier Cartridges (2nd generation) first sold in April 2023 that include new "core" and "flow channel" design (horizontal vents). 1st Generation cartridges are not compatible with the One-Way Valve. - SIX ONE-WAY DUCK BILL VALVES prevent back flowing of water (or other beverages) through the Cartridge while also allowing clean filtered water to pass through the Cartridge into the Inner Press. - ENJOY DRINK MIXES & ELECTROLYTES in your Grayl 24 Fl Oz GeoPress Filter & Purifier Bottle no matter where your adventure takes you; a feature no other drink-thru filter bottle can deliver. - VERSATILITY. Also allows a GeoPress Bottle to be used with a variety of flavored drinks such as juice, bubbly water, mocktails and cocktails. - DISHWASHER SAFE. Regularly wash Valve between uses to remove smell and residue left behind from powders or other beverages. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1YPHHR6 | | Brand | GRAYL | | Customer Reviews | 4.5 4.5 out of 5 stars (85) | | Included Components | One-Way Valve (purifier cartridge sold separately) | | Item Dimensions | 25 x 25 x 57 millimetres | | Item Type Name | One-Way Valve | | Item Weight | 0.42 Ounces | | Manufacturer | GRAYL | | Material | Food-Grade Silicone | | Model Number | GeoPress One-Way Valve for Drink Mixes | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Part Number | 420-DMV-CL | | Set Name | 1 | | Size | 2.25" (5.8 cm) H x 1" (2.6 cm) W | | UPC | 850039309281 | | Unit Count | 1.0 count | ## Product Details - **Brand:** GRAYL - **Item dimensions L x W x H:** 25 x 25 x 57 millimetres - **Manufacturer:** GRAYL - **Material:** Food-Grade Silicone - **Number of Packs:** 1 - **Number of items:** 1 - **Number of ports:** 2 - **UPC:** 850039309281 - **Unit count:** 1.0 count ## Images ![GeoPress One-Way Drink Mix Valve - for Electolytes, Mixes, and Flavored Drinks - Image 1](https://m.media-amazon.com/images/I/51mOyBpC30L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/533606142-geopress-one-way-drink-mix-valve-for-electolytes-mixes-flavored](https://www.desertcart.jp/products/533606142-geopress-one-way-drink-mix-valve-for-electolytes-mixes-flavored) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-22*