comments:
Flat-Carpenter-170 posted on r/rucking2w
Got it off Amazon. Nalgene bottle is separate but also Amazon. Source Tactical SNEP Convertube... https://www.amazon.com/dp/B00W9O2Q0W?ref=ppx_pop_mob_ap_share
Flat-Carpenter-170 posted on r/mysteryranch2w
Comes as a kit minus the Nalgene bottle. Source Tactical SNEP Convertube... https://www.amazon.com/dp/B00W9O2Q0W?ref=ppx_pop_mob_ap_share