4WN means Four-port Wall plate, Nylon in Commercial
Similar to 4WN
ACM - All China MadeACMV - Air Conditioning Mechanical Ventilation
ACMV - Assist Controlled Mechanical Ventilation
ACORN - Associations Of Communities Organized For Reform Now
ACOS - Adjustable Coil Over Spacer
ACP - Aerosol Collector Pyrolyzer
ACQ - Alkaline Copper Quaternary
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