3M Bitter Fit Test Solution One count Wound Care Aids Vein therapy helps relieve symptoms Vein therapy helps relieve symptoms of moderate to sever varicose veins and ankle swelling The wound contact material is placed over the wound and under gauze or other absorbent dressing Features: Bitter taste fit test solution for fit testing Used with the 3M Qualitative Fit Test Apparatus FT 30 Can be used to check face to respirator seal on any particulate respirator or gas vapor respirator with a particulate prefilter The products can be used to check face to respirator seal on any particulate respirator or gas vapor respirator with a particulate prefilter