Navigating a murky stream for a water refill no longer means a compromised drink or a taxed purifier. SteriPEN's clever Pre-Filter acts as your vigilant first defense, a robust 40-micron silicone cup designed to seamlessly cap most wide-mouth bottles, from glacier-fed rivulets to backcountry lake edges. This essential gear elegantly sifts out leaves, grit, and larger suspended particles, ensuring the water you then treat is already free from visible debris. It's a fundamental step that protects the efficiency and longevity of your SteriPEN purifier, allowing it to focus solely on the microscopic threats without getting bogged down by the visible ones. Lightweight, simple to deploy, and utterly reliable, this filter transforms questionable sources into a clean canvas for purification, giving you pristine hydration and unwavering confidence on every adventure. 
 
PRODUCT CONDITION
 
This UnNew SteriPEN Water Bottle Pre-Filter is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

- General age/wear 

Geartrade cannot verify the effectiveness of this used water filter. We do not backflush or clean water filters in any way. Replacement elements are readily available for purchase.

TECH SPECS

• Brand: SteriPEN
• Filtration level: 40 micron screen
• Lightweight and compact
• Attatches to wide mouth water bottles