Membrane Solutions S2 Water Filter Straw – NSF/ANSI 42, 372 & 401 Certified 4-Stage 0.1 µm Portable Water Purifier, Repl

Portable Survival Water Filter Straw — NSF Certified Ultrafiltration for Hiking, Camping & Emergencies

Fast, reliable drinking water in seconds. This portable water filter is NSF & SGS certified (Test Report NBF21-004693-01) and meets NSF/ANSI 42, 372, 401 standards. Lightweight and compact, it’s built for hiking, backpacking, travel, and emergency preparedness. Trusted by adventurers and proven by science.

Key benefits - Ready-to-drink water in seconds — no boiling, no tablets, no batteries. - Saves money: replace only the filter element, not the whole straw. - Long-lasting: at least 20,000 liters of filtered water. - Maintains strong flow: up to 500 ml/min even with 0.1-micron pores. - Safe materials: lead-free and BPA-free for worry-free drinking.

Main features - NSF certified water filter: Validated to remove odor and particles and comply with lead-free material standards. - Unique detachable filter straw: Both ends disassemble so you can replace the filter element anywhere. This detachable filter straw reduces waste and lowers lifetime cost compared with fixed straw designs. - Superior backwash solution: Detachable mouthpiece connects to common bottles for easy backwashing. No syringe needed. - 4-stage filtration system: 0.1-micron hollow fiber ultrafiltration membrane + coconut shell GAC + double PP fiber. Removes odor, chlorine, heavy metals and improves taste while keeping high flow. - Versatile filtering modes: Use as a personal straw, attach to soft water pouches, connect to standard disposable bottles, add an extension tube for distance, or use as a gravity-style family filter. - Emergency water purifier: Compact survival water filter for bug-out bags, camping kits, travel accessories, and group use.

How to use (quick) - Drink directly from a water source as a hiking water filter. - Attach to a disposable bottle or soft pouch to draw water. - Backwash by connecting mouthpiece to a bottle and flushing clean water through the filter.

Specifications - Filtration: 0.1 micron hollow fiber ultrafiltration - Flow rate: up to 500 ml/min - Lifespan: ≥20,000 liters - Certifications: NSF & SGS (meets NSF/ANSI 42, 372, 401) - Materials: Lead-free, BPA-free, food-grade

Compact, efficient, and field-ready — the perfect backpacking water filter and emergency survival tool when clean water matters.