Bitrex Fit Test Kit


The Allegro Bitrex Fit Test Kit offers qualitative OSHA compliant fit testing for disposable and reusable dust and mist respirators. Bitrex creates an unmistakable bitter taste that indicates breakthrough on the respirator fit. New disposable glass ampules make pouring solution into nebulizers easier and reduce the chance of contamination.

NEW: For a short video please click on the following link – PN 2041 Bitter Fit Test Kit


The Allegro Bitrex Fit Test Kit includes the following.  Please click on the below link for a printable datasheet – 2041 – Bitrex fit test

  • Test hood
  • Sensitivity nebulizer
  • Test nebulizer
  • Box of Sensitivity Solution, 6 ampules
  • Box of Test Solution, 6 ampules


  • Poly-coated
  • Clear viewing window
  • Surged seams
  • Reusable


  • Glass ampule
  • With pre-drilled plastic cap for easy pouring
  • Plastic protection from broken glass
  • One time use
  • Averages 3-5 fit tests per tube
  • Contains 2.5 cc of solution


  • Natural Latex rubber air bulb for easy operation
  • Converts 5 cc (ml) of liquid into aerosol 0.3 to 5.0 microns particle size
  • Complete with extra jet and replaceable plastic caps
  • Break-resistant polycarbonate plastic (Lexan® ) that easily disassembles for washing
  • Dimensions: 2”(5.0 cm) X 2”(5.0 cm) X 7”(17.7 cm)


  • 2041-11K Additional Bitrex Sensitivity solution ampoules (6/box)
  • 2041-12K Additional Bitrex Test solution ampoules (6/box)
  • 2040-08N Additional Nebulizers (each)

Additional information

Weight 1.5 kg
Dimensions 54 × 28 × 26 cm
Kit or Consumables

Bitrex Fit Test Kit, Bitrex Sensitivity solution, Bitrex Test solution