The Alco-Sensor FST mouthpiece fits the Intoximeters Alco-Sensor FST breath alcohol tester. Each individually wrapped mouthpiece snaps into the instrument’s top channel for easy installation and directs exhaled breath away from the operator and into the device.
Keep your testing supplies stocked with convenient online ordering and quantity discounts. Most orders placed by 2 p.m. Eastern Time ship the same day.
Order FST Mouthpieces Online for Same-Day Shipping
Get the mouthpieces you need without a complicated ordering process. Select your quantity, add it to your cart, and check out online. Most orders placed by 2 p.m. Eastern Time ship that day, helping you replenish supplies quickly and keep your testing program prepared.
Designed Specifically for the Alco-Sensor FST
Choose replacement mouthpieces that match your instrument. The Alco-Sensor FST mouthpiece attaches to the channel on top of the device and removes easily after use.
- Compatibility: Intoximeters Alco-Sensor FST.
- Installation: Easy snap-in attachment.
- Packaging: Individually wrapped for sanitary handling.
- Design: Exit port directs breath away from the operator.
- Use: Disposable; use a fresh mouthpiece for each person tested.
- Recycleable: Used mouthpieces and plastic wrappings can be placed in plastics recycling to reduce waste.
Save with Quantity Discounts
Order supplies for a single instrument or replenish inventory across multiple testing locations. AlcoPro offers quantity discounts on Alco-Sensor FST mouthpieces, with eligible savings applied during checkout.
The operator quickly snaps the mouthpiece into a channel on the top of the device. To insert the mouthpiece, align the two small holes on the mouthpiece with the nodules on top of the device. A hole at the exit end of the mouthpiece directs the subject’s breath flow away from the operator. Same day shipping.
Select your quantity and order online today. Most orders placed by 2 p.m. Eastern Time ship the same day.






Veronica Persaud (verified owner) –
I think it does it work!
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Ralph Martin (verified owner) –
Product works great and they ship very fast
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Veronica (verified owner) –
no complaints. it does what it suppose to do
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Julia Howley (verified owner) –
It does exactly what it is supposed to do- we never have issues.
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Brittney (verified owner) –
We continue ordering these mouthpieces for the company I work for. They are exactly what we need and work wonderfully. The great low price is a definite seller. Ordering online is always fast and efficient. Shipping time is excellent. The customer service team is always polite and helpful. In the 4 years I have been ordering from AlcoPro they have never let us down. We will continue ordering from them for years to come.
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cindy.wokoma (verified owner) –
Easy to use and good price.
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Julio Esquivel (verified owner) –
Amazing Product , would gladly purchase again.
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south central supply llc (verified owner) –
arrives fast and as described
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Ralph (verified owner) –
The fit and finish of this product work great every time.
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