The ECO Cup is a one step screening test for the simultaneous, qualitative detection of multiple drug metabolites in human urine. Easy to use, just peel and read Free Gloves & Security Seals, & Lower shipping cost with a more efficient design Tests up to 12 drugs at once. Includes temperature strip FDA 510k Cleared Adulterants PH-SG-OX* *Adulterants Oxidants (OX): Test for presence of oxidizing agents such as bleach and peroxide. *Specific Gravity (S.G.): Test for sample dilution, normal range is 1.003 to 1.030. *pH: Test for presence of acidic or alkaline urine sample, normal pH range is 4.0 to 9.0.