"SWAB HPC TEST KIT, 25 TESTS, RED, TOTAL COUNT; MIXED CELLULOSE ESTERS FILTER MATERIAL; 0.45 MICROMETER FILTER PORE SIZE; SAMPLERS USE SELF-CONTAINED DIP TESTERS TO MONITOR MICROBIOLOGICAL ORGANISMS IN LIQUIDS. SWAB TEST KITS USE SWAB AND SAMPLER COMBINATION TO MONITOR MICROORGANISMS ON EQUIPMENT AND OTHER SURFACES; SWAB THE SURFACE AND PLACE BACK INTO THE STERILE BUFFER. POUR THE BUFFER INTO THE SAMPLER CONTAINER OR A STERILE MEMBRANE DEVICE, FILTER AND INCUBATE; JUST ADD AN INCUBATOR TO COMPLETE THE SYSTEM"