Lew Electric PUFP-SD Floor Box, 6" Pop Up UL Listed Decora Receptacle - Stainless Steel DIMENSIONS - 6" round top. INSTALLATION OPTIONS - Installs In Concrete Or Wood floors. TAMPER RESISTANT - All PUFP Style Supplied With Tamper Resistant Receptacles. GFI POWER - Features Two 15 amp GFI Power Receptacles. EASY TO USE - Pops Up When In Use, Hides In The Box When Not In Use.