HUBBELL ML500WCN 1-Gang 16-in-1 Flat Expandable Vertical/Horizontal, Extra Duty® In-Use Cover, White

Flat while-in-use covers, patented design expands from 1 inch to 3.5 inch for while-in-use needs. Window allows for quick/easy visual inspection (tripped GFCI, insects, etc.). Ultra rugged polycarbonate and synthetic neoprene rubber will not dry rot, crack or deteriorate in sunlight. Includes attached gasket and mounting hardware. Patented Quick-Fit™ keyhole mounting system allows installation in under a minute. Preconfigured for GFCI and includes patented Universal-Fit™ adapter for custom fitting to multiple other applications.