WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 1
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 2
WiseBatch Fentanyl Test Strip packaging with instructions on a white background
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 4
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 5
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 6
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 7
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 8
WiseBatch FYL test strips
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 1
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 2
WiseBatch Fentanyl Test Strip packaging with instructions on a white background
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 4
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 5
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 6
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 7
WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 8
WiseBatch FYL test strips

WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results

$89.95
/
Shipping calculated at checkout.
Download FYL Test Strips Instructions Guide

Free shipping when your test strips and kits total $49.90 or more.

Purchase order or tax-exempt? Request a quote or email info@overdosekits.com.

  • Ultra-Sensitive Detection (200 ng/mL): Engineered with a precise detection threshold of 200 ng/mL to identify FYL and over 20 known analogs, catching trace contamination that visual inspection cannot see.

  • Digital Step-by-Step Guidance: Each pack features a built-in QR code that links directly to the WiseBatch app, providing instant access to video and text instructions to ensure testing accuracy and reduce user error.

  • Forensic-Grade Reliability: Boasts an industry-leading 98%–99% accuracy rating and includes a 5mg micro-scoop for precise measurement, providing professional-level results in just a few minutes.

  • Rapid & Clear Results: Utilizing advanced lateral-flow technology—similar to a standard medical test—the strips deliver clear, easy-to-read safety data for informed, time-sensitive decision-making.

  • Extended 2-Year Shelf Life: Specifically designed for long-term readiness with an 18–24 month shelf life; these individually sealed strips are the perfect size for hardshell cases and first-responder duty belts.

  • Dimensions: 5.75" L x 5" W x 2.5" H

  • Note: These strips are intended for forensic and presumptive testing purposes only; results should be used as a harm reduction tool and do not guarantee a substance is 100% safe for consumption.

    25 Pack: B0HH83QNHD

    100 Pack: B0HH84ZR1L

    • Technical and/or procedural errors using the test, as well as other substances and unknown factors or variables may interfere with results.  
    • A positive test result indicates the presence of FYL only, and does not indicate quantity.  
    • A negative test result does not indicate that no FYL exists in the substance being tested, but only that the presence may be below the test’s detection level.  
    • Overdose Kits LLC does not encourage the production, use, supply, or distribution of illegal drugs or controlled substances in any way. This test is intended for harm reduction purposes only.  
    • A positive or negative test does not indicate that the substance being tested is safe to use. This test is not intended to determine the purity or composition of the substance being tested, or the existence of any other substance. 
    • Overdose Kits LLC cannot verify the accuracy of this test after its expiration date. Storage and procedure instructions must be followed to obtain the most accurate test result.  
    • Any substance expected to contain FYL should be treated with extreme caution as exposure to a small amount can lead to significant health-related complications, respiratory depression, or death.

    Shipping

    Ships from our warehouse in Anacortes, WA by UPS or USPS. Please allow 1–2 business days for processing; delivery is typically 3–7 business days.

    Once your order ships, tracking information is emailed to the address entered at checkout.

    Purchase orders and tax-exempt orders accepted. Request a quote or email info@overdosekits.com and we'll send you an estimate for approval.

    SAM.gov Registered
    UEI: JA3XNLL642J5
    CAGE: 8W1R9
    D-U-N-S: 12-270-5113

    One Year Warranty

    • Every product we make is guaranteed for one year or we replace it.
    • 30 day free refund.
    • Must be in new condition.

    Frequently Paired Together
    WiseBatch FYL test strips

    Ultra-Sensitive Detection

    Precisely engineered to identify FYL and 20+ known analogs, detecting trace contamination that cannot be seen with the naked eye.

    Digital Step-by-Step Guidance

    Built-in QR code connects directly to the WiseBatch app for instant video and text instructions, reducing user error and improving testing accuracy.

    WiseBatch FYL Test Strips (100 Pack) – Accurate Rapid Results – photo 5

    Forensic-Grade Accuracy

    98–99% reliability with an included 5mg micro-scoop for precise measurement, delivering professional-level results within minutes.

    Rapid Results & Extended Shelf Life

    Advanced lateral-flow technology provides clear, easy-to-read results quickly, with individually sealed strips designed for 18–24 months of readiness.

    Frequently Asked Questions

    Everything you need to know about the WiseBatch FYL Test Strips (100 Pack).

    What’s included?

    100 individually sealed WiseBatch FYL test strips with a 5 mg micro-scoop for precise measurement.

    How sensitive are they?

    They detect FYL and over 20 known analogs at 200 ng/mL, catching trace contamination you can’t see, with a 98–99% accuracy rating.

    How long do they last, and how should I store them?

    The individually sealed strips have an 18–24 month shelf life. Store them at 35–86°F (2–30°C). We can’t verify a test’s accuracy after its expiration date.

    Will they fit in a hardshell case or duty belt pouch?

    Yes. They’re sized for hardshell cases and first-responder duty belts.

    How big is the pack?

    It measures 5.75" L x 5" W x 2.5" H.

    How do I use them?
    • Place 1 level micro scoop of finely crushed substance into an empty shot glass or bottle cap.
    • Add ¼ shot (5 mL) of water, or fill the bottle cap, and stir until the substance dissolves.
    • Dip the strip wavy side down, up to the MAX line, for 15 seconds.
    • Remove the strip and lay it flat for 1–2 minutes, then read the result.

    Instructions are printed on each pouch, and a QR code links to detailed guides.

    Customers say the instructions printed on each pouch make the strips easy to use.

    How fast are the results?

    After dipping, lay the strip flat for 1–2 minutes, then read the result.

    How do I read the result?

    One line means positive. Two lines means negative. A faint second line still counts as negative.

    What do the results mean, and what don’t they tell me?
    • A positive result shows FYL is present, not how much.
    • A negative result doesn’t rule out FYL; it may be present below the test’s detection level.
    • Neither result means a substance is safe to use. The test doesn’t determine purity or composition, or detect other substances.
    • Technical or procedural errors and other substances can interfere with results.

    The test is intended for harm reduction purposes only.

    What should I do if a substance may contain FYL?

    Treat it with extreme caution. Exposure to a small amount can cause serious health complications, respiratory depression, or death. Keep naloxone on hand and call 911 in an emergency.

    How fast will my order ship?

    10 units or fewer: fulfilled by Amazon, ships within 48 hours and arrives in 3 to 5 business days.

    100 units or more: ships from Anacortes, WA via UPS or USPS. Please allow 1 to 2 business days for processing, then 3 to 7 business days for delivery.

    Tracking information is emailed to the address you enter at checkout.

    Is there a warranty?

    Yes. Every product we make is covered by a one-year warranty. If it fails within a year, we’ll replace it.

    What’s your return policy?

    We offer a free refund within 30 days. The item must be in new condition.

    I have another question. How do I reach you?

    Send us a message using the chat button at the bottom of the page. We’ll respond the same day or sooner.

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