Membrane Solutions C3 Filtered Water Bottle — 36oz BPA-Free Portable Bottle with Replaceable ACFX2 Filter Cartridge

Product overview Engineered for clean, fast hydration on the move, this reusable filtered water bottle combines a high-capacity 36oz design with an advanced 4-stage ACF filter. It delivers reliable removal of chlorine, odors, and microplastics while keeping flow high and pressure drop low—ideal for hiking, travel, gym, and daily use.

Advanced 4-stage ACF filtration (fast, effective) - 99% removal of chlorine, odors, and microplastics with a multi-layer Activated Carbon Fiber (ACF) system.
- High flow rate: up to 800 ml/min for quick sipping and refills.
- Optimized to avoid the common downsides of CTO filters—no black water, no grit, and minimal pressure loss.
- Note: Multi-layer filtration may require slightly stronger suction than an unfiltered bottle.

Large capacity & convenient filling - 36oz (mega-size) holds enough water for long hikes, road trips, or busy workdays.
- Wide-mouth opening allows easy outdoor refills, adding ice, or quick-fill from taps.
- Designed to fit most cupholders and carry systems.

Durable, safe materials - Made from BPA-free Tritan plastic for superior shatter resistance compared with conventional bottles.
- Safe for repeated use and built for rugged conditions without compromising water taste or clarity.

Leakproof, portable design - Secure leakproof lid, sturdy carry handle, and anti-slip grip for confident travel and trail use.
- Sized to fit backpacks, gym bags, and car cupholders.
- Dishwasher-safe bottle body (filter excluded) for easy cleaning.

Certified performance & long-lasting filters - SGS-certified (Test Report NBF25-0003761-02/04) for verified filter performance.
- Includes an EXTRA replacement ACF filter—combined capacity up to 264 gal / 1000 L of purified water.
- Built-in filter time-marking ring lets you rotate to the start month to track filter life and replacement intervals.

Why choose this filtered water bottle - Fast filtration without the typical taste or grit issues of older filter types.
- High-capacity, durable Tritan construction for true outdoor and everyday versatility.
- Certified, long-life filters with a spare included and easy usage tracking—clean water wherever you go.