A portion of compliant material includes four walls defining a slot. A connector body has first and second terminal portions extending to first and second ends. A second analyser region is provided in operational communication with the first analyzer region. In one embodiment, an entire flow path through the main body is lined with wear-resistant replaceable inserts to further prolong the service life of the main body. A combustion manager module controls an engine to regenerate the adsorber once the counter reaches an upper threshold value.