Classic 3 with Pre-Filter

classic 3 with pre-filter for those who already own a wide-mouth water bottle, steripen offers the classic with pre-filter pack. like the safe water system pack (but without the bottle), the classic with pre-filter pack is all that is needed when camping, hiking, backpacking or traveling. travel travel personal care water filters & purifiers camp & hike water & hydration water filters & purifiers steripen