Cerlic Accessories: Compressors & Sample Pumps Compressor Portable Air Compressor for air cleaning Cerlic sensors when plant air is not available. Sample Pump Bypass the process with our Sample Pump. Use our immersion sensors with a sample tank or CTX flow-through sensors. Cerlic ITX Degassing Tank Measure Filtrate or Centrate with the highest accuracy by removing air from the process with Cerlic’s Degassing Tank. SLAC Surge Box Application Specific, a surge box is available for Cerlic BB1 or BB2 controllers.