4SR-15 means Four-Shelf door mount Spice Rack, 15 inches long in Commercial
Similar to 4SR-15
4WP - Type 4 Water-Proof camera4WT-B - Four Wire, Base mounted smoke detector with Thermal Detector
4WW - Four-Wheel Wagon
4WW - Water Wiggler Water Agitator, model 4
4WW - Four-Wheeled Walker
95 - version 4.0 of Microsoft Windows
98 - version 4.1 of Microsoft Windows
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