Amazon.com: Hydraulic line labels-6 Pack – Easily ID Hydraulic Hoses, electrical,or water lines (Both Ends) Above or Below Ground, Fits 3/8",1/2" to 3/4” to 1" Hoses, Heavy-Duty : Electronics
Hydraulic Hose Labels – Neumann Marking Solutions
Custom ID Tagging and Tracking – McGill Hose & Coupling, Inc.
Hose Tagging With Traceable Id Codes - Fluiconnecto - WE KEEP IT RUNNING
Hose Tags | RFID Tags | Metal Tags | Customized Tags
Barcoded Hose Tags - Hydraquip
Self-laminating labels, thermal transfer TAG32-230TD1 (596-01903)