Garvin Industries stainless steel handy box extension rings are used when additional wire capacity is required in existing handy boxes. Their stainless steel construction offers sealed conduit knockouts that prevent exterior corrosion and water infiltration inside the boxes. These 1-7/8 in D extension rings are typically used with mating cover #G19290-SS.

GARVIN® Extension Ring, (8) Side Knockouts, (8) 1/2 in Side Knockout, 1-7/8 in Depth, 304 Stainless Steel

• For use with stainless steel handy boxes to expand wiring capacity
• Vapor-tight knockout
• Perfect for corrosive environments