“X4 Adjustable Base (Split California King)” has been added to your cart. View cart Showing 10–12 of 12 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Adjustable BasesTwin XLStructures M555 Adjustable Base (Split Queen) $1,749.99 Add to cart Adjustable BasesTwin XLStructuresâ„¢ S755 Adjustable Base (Split California King) $2,629.99 Add to cart Adjustable BasesTwin XLX4 Adjustable Base (Split California King) $599.99 Add to cart ← 1 2