... acrylic material 3) CE Certificate, C-Tick Whirlpools spa A310 specification:1) 3 person, 1 Lounge Seat, 27jets2) with CE certificate3) Lucite acrylic spa ... ):One-speed / 3.0HPPump 2(CE, TUV Approved):NoCirculation Pump (CE, TUV Approved):1 x 0.5HPHeater(CE, UL Approved):1 x 3 ... (High density closed PU foam(USA)):Yes Whirlpools spa A310 with CE and Australia Security Test Report