airlocksniffer
WKR
Been eyeing one of these for base camp and found a sweet deal. Already marked down to $89.99. If you subscribe to their newsletter you get another 15% off one item. Grand total was $76.49 with free shipping. These seem to be about $120 elsewhere on the web.
Platypus GravityWorks 4L Water Filter System - austinkayak.com - Product Details
Platypus GravityWorks 4L Water Filter System - austinkayak.com - Product Details