Cnoc Vecto and Versa Flow Gravity Water Filtering System is light, efficient, compact
Tad McCrea used the Cnoc Vecto and Versa Flow Gravity Water Filtering System on an expedition to Aconcagua where the rivers ran thick and brown… Read More »Cnoc Vecto and Versa Flow Gravity Water Filtering System is light, efficient, compact

![Mike Gimli Able puts the Cnoc Vecto and Versa Flow Gravity Water Filtering System to the test in the low lands of Aconcagua Provincial Park, Argentina. [Photo] Tad Mccrea](https://alpinist.com/wp-content/uploads/2023/09/xvecto-versa-flow-filter-1-2-930x620.jpg.pagespeed.ic.HQe_dWut0f.jpg)
![Chip Powell relishing the clean wide hand crack that marked the start of the headwall. [Photo] Chris Kalman](https://alpinist.com/wp-content/uploads/2023/09/xmaxim-personal-escape-rope-1-2-930x620.jpg.pagespeed.ic.bDYp7t1EYl.jpg)
![Arne wearing his crack gloves in Yosemite, 2008. [Photo] Derek Franz](https://alpinist.com/wp-content/uploads/2023/09/ocun-crack-gloves-1-3.jpg.pagespeed.ce.UGiBlyYnzi.jpg)
![The Allak 3 tent on a windy day near Jones Pass, Colorado. With the guy-lines taut and the canopy affixed, this tent is ready for any storm. [Photo] Drew Thayer](https://alpinist.com/wp-content/uploads/2023/09/xhilleberg-allak-3-1-2-930x620.jpg.pagespeed.ic.r6MAYpgkTP.jpg)
![Clint Helander wearing the La Sportiva Trango Tower Extreme boots on an ice climb. [Photo] John Giraldo](https://alpinist.com/wp-content/uploads/2023/09/xla-sportiva-trango-tower-extremes-1-2-930x620.jpg.pagespeed.ic.RMajwoNcUD.jpg)
![The author on Washington Column wearing the Patagonia Mirco Puff Storm Jacket. [Photo] Andy Hoeckel](https://alpinist.com/wp-content/uploads/2023/09/xpatagonia-micro-puff-storm-jacket-1-2-930x620.jpeg.pagespeed.ic.o7rpyKIwPD.jpg)
![Derek Franz wears the Mountain Equipment Tupilak 30+ on Hidden Falls (WI4, 3 pitches) in Glenwood Canyon on New Years Eve, 2018. [Photo] Craig Helm](https://alpinist.com/wp-content/uploads/2023/09/xmountain-equipment-tupilak-30-1-2-930x620.jpeg.pagespeed.ic.7WrL3egn69.jpg)
![The author places a Black Diamond Ultralight Express screw in Hyalite Canyon, Montana. [Photo] Jim Menkol](https://alpinist.com/wp-content/uploads/2023/09/xbd-ultralight-express-screw-1-2-930x620.jpg.pagespeed.ic.V2rMA57lX_.jpg)
![Todd Preston leads Alpha (WI5) with the Black Diamond Reactor ice tools in Hyalite Canyon, Montana. [Photo] Jim Menkol](https://alpinist.com/wp-content/uploads/2023/09/xblack-diamond-reactor-1-2-930x620.jpg.pagespeed.ic.uT6_Gc_6IL.jpg)
![Chris Van Leuven testing the new Petzl Nomic ice tools in Rocky Mountain National Park. [Photo] Colby Rickard](https://alpinist.com/wp-content/uploads/2023/09/xpetzl-nomic-1-2-930x620.jpg.pagespeed.ic.gWhUQgIcSk.jpg)
![Whitney Clark traverses to the belay after climbing the hanging glacial ice midway up a new route (Land of Milk and Honey, IV 5.8+ M3 R 65 degrees, 1,000') on the northwest face of Mt Russell (14,094') in the Sierra Nevada Range, California. [Photo] Tad McCrea](https://alpinist.com/wp-content/uploads/2023/09/xtnf-summit-softshell-ws-pants-1-2-930x620.jpg.pagespeed.ic.2ToqPP7Cxc.jpg)
![Derek Franz gets his bearings using the SPOT X 2-Way Satellite Messenger in Colorado's Flat Tops Wilderness in late October 2018. [Photo] Mandi Franz](https://alpinist.com/wp-content/uploads/2023/09/xspot-x-1-2-930x620.jpg.pagespeed.ic.pCXM69U6LP.jpg)