Click to expand Tap to zoom Quick Connectors SKU: GK 1651 Save $-1.00 Inquire about this product × Inquire about a product Quick Connectors Oxygen Therapy Name Email Phone Number Product Inquiry Message Submit Inquiry Ships from Glenwood Laboratories ( Oakville, ON) Need help? Call us at (905) 825-8244. Learn about our Shipping & Returns Policy. Have a question? Read our FAQs. Quick Connector for Oxygen Tubing (5.6 mm OD).