Popular design for use with most breath alcohol testers. Features a sputum trap for sanitary breath sampling.
Popular style for use in most breath test devices. Includes a sputum trap for sanitary breath alcohol sampling.
Special design for use with most breath alcohol testers to provide a check valve which prevents suck back when conducting a breath test.
Special design for use with Alco-Sensor IV road screening devices. Features a check valve to prevent suck back while conducting breath test.