Supply of 13644 - Disposable Nasal Prong Oxygen Cannula; Size Adult 1 Material Medical Grade Pvc Soft, Non-Toxic, Non Irritating Material- Yes Phthalate Free - Yes 2Type Transparent Twin B Ore Nasal Tips To Ensure Equal Volume Of Oxygen To Both Air Passages - Yes 3 Type Of Nasal Tips Flar Ed Nasal Tips Shape Straight Tubing Single Channel Soft Funnel Shape Universal Connector To Facilitat E Easy Connection To The Oxygen Source- Yes 4 Size Of Connector In Mm 15 Millimeter Non-Slip Tog Gle To Adjust For Best Possible Fit- Yes Location Saddle For Optimal Positioning Of Nasal Tips- Yes Flow R Ate Capacity Of Nasal Cannula In Litre/Min 1 To 5 L/Min 5Dimensions Size- Adult Tubing Length In Meter 3 Meter.