I have no way to test this unit thus sold as is with no warranty or returns. the following info is from the manufacturers website:AIR SYSTEMS MODEL INTERNATIONAL BB50-CO CARBON MONOXIDE AIRLINE MONITOR BB-50-CO MODEL: BB-50-CO TYPE: CARBON MONOXIDE AIRLINE MONITOR MANUFACTURER: AIR SYSTEMS INTERNATIONAL, INC. The monitor will analyze the air sample and display the CO concentration in parts per million (ppm).
Here's an Emcor 10 Series, 17" Mobile Rack Mount Cabinet Console Test Instrument Equipment Enclosure These are getting hard to find. Here's a nice, clean one at a great price! Swivel Casters & Adjustable Leveling Feet
BISSELL HEAVY DUTY BIG GREEN COMMERCIAL BG10 UPRIGHT DEEP CLEANER MODEL BG10 Product Features Commercial deep cleaning 2 Motor design Clean forward & back Flow indicator, monitors water & solution levels and lets you know when it's time to refill the tank Large capacity clean water tank removes for easy filling Powerful edge-to-edge suction
GREAT PRICE! Lightweight, ABS Construction – weighs only 15 lbs! Powerful 12 amp motor with two brush agitator 5 position height adjustment for all types of carpet 15" cleaning path with edge cleaning cleans more area in less time On-Board tools include combination dusting brush/furniture nozzle and crevice tool.
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