Statement on Forensic Use Products

Please take a moment to read our Forensic Use Only Statement about rapid screening devices.


iScreen® OFD Device

Convenient Detection. Redwood Toxicology Laboratory recognizes your need for a reliable and cost-effective oral fluid screening device. RTL's iScreen® OFD device, in combination with its lab services, provides you with a comprehensive drug test solution you can rely on.

Product Benefits

  • Eliminates need for controlled urine collection site
  • Results in under 10 minutes
  • Simple procedure

Additional Photos

Additional Photos

For Forensic Use Only

Any positive result obtained with this oral fluid screening test is presumptive and should be confirmed by an alternate method such as GC-MS or LC-MS/MS.


To learn more about the OFD (iScreen®) device call:

877.444.0049

* Amphetamine, Marijuana (THC), Methamphetamine, Cocaine, Opiates and Phencyclidine.

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Contact our Sales Team today. 877.444.0049