AQUAROCHE - BACKGROUND RELIEF ELEMENT 18" Aquaroche Sale! from 14280 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Aquaroche Background Relief 18" (46 cm) High x 13" (33 cm) Wide When ordering multiple Aquaroche items please call for a shipping quote. The sizes and quntities of the pieces ordered will determine if it's best to ship by UPS or by freight carrier. 18" H x 7.9" W (approx.) Includes attachment points for Aquaroche reef plates (part # 0523).