Qualitative fit test apparatus with a bitter solution. 1 per box. Contents: • One Hood - • One Collar Assembly - • Nebulizer #1 (Sensitivity) - • Nebulizer #2 (Fit Test) - • Two Sets Replacement - Nebulizer Inserts - • Sensitivity Solution (#1) • Fit Test Solution (#2) - Intended Use: The intended use of these products is to fit test any particulate respirator or gas/vapor respirator with a particulate prefilter. Blank goods only.