Amazon.com: 10PCS Adult Soft Nasal Cannula, 7 FT Nasal Tubing for Oxygen, Included 5PCS Nasal Cannula Oxygen Tubing and 5PCS Tubing Connectors - Standard Connector : Industrial & Scientific
Amazon.com: Medline Soft-Touch Nasal Oxygen Cannula, Standard Connector, 4-ft. Tubing Length, Adult Size, Pack of 50 : Health & Household
Amazon.com: 3B Medical Ultra-Soft 7 Foot Oxygen Cannula (5 Pack) (A) (A) (A) : Health & Household
Amazon.com: Dynarex Nasal Cannulas for Oxygen Therapy - 4' Crush Resistant Oxygen Supply Tubing for Adults - Soft Cushion Tip Universal Connector - 50 Per Case : Health & Household