Need a regulator that won't weigh you down like a freshman's backpack? Look no further! Dynarex's Oxygen Regulator is as lightweight as it boasts - at a mere 0.85lbs, you can barely feel it attached to your tank. But, like any partnership, there are downsides to this breather. Despite the efficient 0-25 LPM flow rate, the regulator did not always feel precise. In addition, the price point may give some potential buyers a good gasp - but, as with most medical equipment, you generally get what youSee full review