Complete Filtration. Upgraded Protection. The Denali Spring Complete Combo System combines our 2.25 Gallon (8L) stainless steel gravity water filtration system with activated carbon and Post-Treat fluoride filtration for an upgraded level of filtration. Designed for everyday use at home, as well as outdoor adventures, travel, workplace use, and emergency preparedness, the system operates entirely by gravity—no electricity or plumbing required. Simply fill the upper chamber and let gravity move the water naturally through the filtration stages. What's Included? 1 × Stainless Steel Housing UnitDurable stainless steel construction designed for long-term use. 1 × Stainless Steel SpigotConvenient dispensing for everyday filtered water. 2 × Activated Carbon Filter ElementsMade from high-grade coconut-shell activated carbon with a CTC 60 rating and infused with silver. The filters are designed for extended contact time and fine filtration. 2 × Post-Treat Fluoride Removal Filter ElementsAn additional filtration stage designed specifically for fluoride reduction. Why Choose the Complete Combo? The Complete Combo is the upgraded Denali Spring filtration package. The system combines activated carbon filtration with an additional Post-Treat fluoride filtration stage, giving you more comprehensive filtration in one countertop system. No Electricity Required — Gravity does the work. No Plumbing Required — Set it up wherever you need filtered water. Durable Stainless Steel Construction — Built for everyday use. Multi-Stage Filtration — Combines activated carbon and Post-Treat fluoride filtration. 2.25 Gallon (8L) Capacity — More capacity for households and higher daily water demand. Home & Outdoor Use — Well suited for kitchens, workplaces, camping, travel, and emergency preparedness. Advanced Gravity Filtration The Denali Spring system uses the natural force of gravity to move water through the filtration elements. The activated carbon elements are designed with high-density media and extended contact time to help reduce common contaminants while maintaining a simple, electricity-free filtration process. The system's