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Fentanyl (FYL) Testing
Rapid Response Diagnostics harm reduction test strips - hand holding fentanyl test strip

BTNX, a leading manufacturer and the largest provider of test strips, plays a pivotal role in harm reduction with our Rapid Response™ strips. Offering affordable substance checking solutions, we feature tests for fentanyl, xylazine, and more. Our commitment to safety is bolstered by extensive research, ensuring top-quality products for informed decisions and community health.

 WARNING: THIS TEST DOES NOT EVALUATE DRUG SAFETY OR PURITY. 

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BTNX Rapid Response Fentanyl Test Strips (Liquid/Powder) - 100 Tests
Format: Strip
Kit Size: 100 Tests / Kit
BTNX Rapid Response Fentanyl Test Strips (Liquid/Powder) - 10 Tests
Format: Strip
Kit Size: 10 Tests / Kit
BTNX Rapid Response Fentanyl Test Strip Kit (Liquid/Powder) - 5 Tests
Format: Strip
Kit Size: 5 Tests/Kit