2-Stage Membrane Microfilter Replacement Filter - Psat Season Apparel 51") ultra-hardened steel shackle provides

51") ultra-hardened steel shackle provides maximum cut-resistance

Clean water all day—without the weight

Carbon filter lifetime: 25 gallons (100 liters)

Fit updated to improve functionality while enhancing aesthetics for a range of body shapes

2-Stage Membrane Microfilter Replacement Filter - Psat Season Apparel 51") ultra-hardened steel shackle providesCompatible with LifeStraw Go and LifeStraw Universal. Filtration technology: microfiltration membrane (0. 2 micron) with activated carbon filter. Microfilter membrane lifetime: 1,000 gallons (4,000 liters). Pores clog over time as the filter is used. Carbon filter lifetime: 25 gallons (100 liters). With frequent use, recommended to change filter every 3 months. Protects against bacteria, parasites, microplastics, chlorine, organic chemical matter,