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Keller-Heartt has Truegard Propylene Glycol Heat Transfer Fluids in both Inhibited and Food Grade! Order Today!
Propylene Glycol Available. Order Today!

Frequently asked questions

Find answers to common questions about our products and services
  • The JD-3930 features a rigid extension spout, meaning it holds a fixed shape and does not flex or bend during use. This provides stable, consistent directional control when dispensing oil into fill ports or reservoirs.

  • This oil delivery gun is constructed from steel, which gives it a robust build suited to the repeated demands of professional oil dispensing in a shop or maintenance environment.

Key Features

  • Rigid steel construction provides durability for demanding shop environments

  • Rigid extension spout allows for targeted, controlled oil delivery