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30-Day Return
1-Year Warranty
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Free shipping
30-Day Return
1-Year Warranty
More Water. Less Refilling.
The Big Flow Tank 2 Gravity Water Filter System is designed for families and everyday use, delivering clean, better-tasting water with an 8.5L large-capacity design that reduces refill frequency. Featuring multi-stage filtration with activated carbon, UF membrane filtration, fluoride reduction elements, and silver ion protection, it helps reduce chlorine, odors, fine particles, and unwanted impurities while improving water quality.
Built with durable 304 stainless steel, and a no-electricity gravity-fed design, it’s perfect for homes, apartments, offices, outdoor use, and emergency backup. Use it in full-size or compact mode for flexible everyday convenience.
▪ Store up to 2.25 gallons of filtered water for daily use.
▪ Reduces chlorine, odors, rust, and common impurities.
▪ Multi-Stage Filtration
▪ 3-Stage Filtration System
▪ Fluoride Reduction Filter
▪ 304 Stainless Steel Build
▪ 2-in-1 Flexible Design
▪ No Electricity Needed
▪ Easy to Install & Clean
Capacity: 2.25 Gallons (8.5L)
Filter Life: Up to 6,000 Gallons
Flow Rate: Up to 4 Gallons Per Hour
Material: 304 Stainless Steel
Power Required: None
Installation: No Plumbing Needed
Use: Home, Apartment, RV, Camping & Emergency Preparedness
✓ Upper Stainless Steel Water Tank
✓ Lower Stainless Steel Water Tank
✓ Stainless Steel Lid
✓ Stainless Steel Faucet
✓ 2 Carbon Filter Cartridges
✓ Installation Tools
Designed to reduce:
✓ Chlorine
✓ Rust
✓ Sediment
✓ Odors
✓ Particles
Filter lifespan:
Up to 6,000 gallons per filter pair
Actual lifespan varies depending on water quality and usage.
Just fill, filter, and enjoy clean water anywhere—perfect for home, travel, and everyday use.
Combines carbon, UF membrane, and silver ions to help reduce chlorine, sediment, and unwanted contaminants.
From home comfort to outdoor and emergency situations—ready wherever life takes you.
Advanced multi-layer filtration works longer to keep your water fresh, clean, and consistent—day after day.
No Power Needed
Gravity filtration—clean water without electricity or setup
Portable Anywhere
Compact size—easy to carry for camping, RVs, and trips
Large Capacity for Daily Use
2.25-gallon tank—enough water for personal or small group needs
Food-Grade Stainless Steel Build
Safe materials—no plastic taste, built for long-term use
Supports Daily Wellness
Clean water helps your body stay balanced and hydrated
Safer for Family Use
Reliable water for kids, cooking, and daily drinking
No Power Needed
Gravity filtration—clean water without electricity or setup
Portable Anywhere
Compact size—easy to carry for camping, RVs, and trips
Large Capacity for Daily Use
2.25-gallon tank—enough water for personal or small group needs
Food-Grade Stainless Steel Build
Safe materials—no plastic taste, built for long-term use
Supports Daily Wellness
Clean water helps your body stay balanced and hydrated
Safer for Family Use
Reliable water for kids, cooking, and daily drinking
Got a less-frequently asked question?
Cleaner taste encourages you to drink more water, helping you stay consistently hydrated throughout the day.
No installation needed—perfect for kitchens where space, flexibility, and portability matter.
The filters are designed for long lifespan use, reducing how often you need replacements and lowering long-term cost.
This system works completely off-grid—no electricity required—so you always have access to clean water when it matters most.
Puflow focuses on durability, clean materials, and real usability—so you get reliable filtration without the hassle, not just a basic filter.
No complicated setups
Take it anywhere.