So sorry, but only 4 items are allowed for comparison, so we're comparing the first 4. I blame the gnomes and so should you.
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The FitsAll Filter by SteriPen. To quickly filter water to purify with a SteriPEN, use the new SteriPEN FitsAll Filter to remove particulates from water with the use of a durable 4 micron screen.
SPECIFICATIONS of the FitsAll Filter by SteriPen