Used to collect blood via veins. 21G butterfly needles. Box of 24. Comes with additional bag of 24 Tube Holders for larger red tubes.
Disposable Blood Collection Butterfly Needle - Disposable Blood Transfusion Catheters - Shanghai Metal
Butterfly Needles Surgo Surgical Supply
Butterfly Needle for Blood Draw: How It Works and Why It's Used
Butterfly Needles Blood Collection W/Safety Set, 21G, 23G, 25G x 3/4''x12'' - Wetex Inc
Medical Needle for Blood Collection Butterfly Needles 18g 21g 22g 23G
Blood Collection Needle Pen Type (22G x 1) – QV Medical Supplies
Drawing Blood using a Butterfly Needle
23G x 3/4 inch Needle Butterfly Blood Collection Set Safety KAWDBMA-23G
Butterfly Needles - Interpath Services Pty Ltd
Butterfly Needle for Blood Collection - 25G