Propane 99.5% Instrument Grade K Customer Owned Only

Linde Part #: PR 2.5IS-KN  /

 
How do I buy this?
Propane 99.5%, Instrument 2.5, Specialty Gas Hydrocarbons, High Pressure Steel K Style Cylinder, 40LB, 2000PSIG, CGA 510, COC Only
 
How do I buy this?
Propane 99.5%, Instrument 2.5, Specialty Gas Hydrocarbons, High Pressure Steel K Style Cylinder, 40LB, 2000PSIG, CGA 510, COC Only