(COC THC OPI mAMP AMP PCP) Box of 25. #DSB-765-011 iScreen OFD Oral Fluid Device 6 panel oral drug screen (COC THC OPI mAMP AMP PCP) Box of 25. The iScreen Oral Fluid Device is a one piece test device that is easy to use and provide test results within 10 minutes. iScreen OFD tests for a configuration of 6 different drugs. iScreen OFD comes with an easy to follow test instructions and product insert. The iScreen oral Fluid Device uses the simplicity of a one piece-one step oral fluids screen. iScreen OFD 6 Panel oral drug screen kits cannot be adulterated by the donor. iScreen oral fluid (OFD) does not require special training