Yes, these 3M™ E-A-R™ Classic™ Earplugs are flame resistant which makes them suitable for almost any storage scenarios and safe during potential arc flash situations.
According to the manufacturer, DEF20404OP has compartments measuring 5-3/4"W x 7-5/8"H.
According to the manufacturer, each compartment of DEF20604OP measures 3-7/8"W x 3-7/8"H.
According to the manufacturer, DEF20304OP has slots measuring 7-11/16"W x 8-7/8"H
The included tie-down notches offer security and greater stability under severe weather conditions. however according to the manufacturer sand is recommended to add extra weight to the Smokers Receptacle as shown in the video below:
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