None of them are from China
EASY TO INSTALL - JUST LIFT GRATE
FEATURES: 1-PIECE DESIGN MAKES IT EASY FOR FAST SET-UP & RESPONSE COMPACT STORAGE & TRANSPORT TESTED WELDS FOR MAXIMUM STRENGTH & PERFORMANCE BD GROUND PAD & TRACMAT™ ALSO AVAILABLE TO PROVIDE ADDITIONAL PROTECTION TO PROLONG THE LIFE OF YOUR BD BERM
Biostable formulation extends sump life
WHICH IS REMOVABLE FOR SERVICING
UltraTech 8270 Ultra-Containment Berm®, Economy Model, 10' x 20' x 1', Copolymer 2000™ Color:Black None of them are fromULTRATECH 8270 ULTRA CONTAINMENT BERM, ECONOMY MODEL, 10' X 20' X 1', COPOLYMER 2000 ULTRA CONTAINMENT BERMS, ECONOMY MODELS FEATURE L SHAPED ALUMINUM BRACKETS THAT PROVIDE STURDY SIDEWALL SUPPORT. IT IS EASY TO ASSEMBLE. THE BRACKETS ARE QUICKLY AND EASILY INSERTED INTO SLEEVES SPACED AROUND THE PERIMETER OF THE CONTAINMENT BERM. NO FRAMES, COMPONENTS OR EXCESS MATERIAL ARE OUTSIDE OF THE SIDEWALLS EXCELLENT FOR USE AS SPILL CONTAINMENT AREA INSIDE