MyCheck 4 Paddle Carton. Includes: 4 HPC dip-samplers for the growth and count of bacteria present in water samples, IFU and Results Log Sheet for test result record keeping The ubiquitous HPC paddle style test makes a great spot-checking tool for assessing whether you have a problem that needs to be investigated further. FEATURES AND BENEFITS: • Results in 72 hours • Accurate, proven technology • Easy-to-use • No overnight shipping required