Pediatric Flowmeter Rhythm Healthcare Sale! from $0.00 USD /per Produc variants Default Title - Sold Out Qty. Sold Out Couldn't load pickup availability Refresh Tweet This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Details Delivers flow rates as low as 1/16 LPM Just 1.50 lbs Requires no electricity Designed to run from a standard stationary oxygen concentrator such as the Rhythm Healthcare LM5BA Simple operation Easy-to-read flowmeter