Original
Memory Evo, two-layer slab, 21 cm thick
Memory Evo, two-layer slab, 21 cm thick
Memory Evo, three-layer slab, 21 cm thick
Memory Evo, three-layer slab, 22 cm thick
Memory Evo, four-layer slab, 21 cm thick
Memory Evo, two-layer slab, through holes, thickness 21 cm