With a unique asymmetrical core and sloped face, Neptune brings a new look to breeze block. Rotate and stack to create your own pattern. Features With a unique asymmetrical core and sloped face, Neptune brings a new look to breeze block. Rotate and stack to create your own pattern. Availability As indicated. May be limited in plant location or color availability. Standards Concrete masonry units manufactured by Angelus Block Co., Inc. meet ASTM C90 Standard Specification for Loadbearing Concrete Masonry Units. Sustainable Features • This product is included in Type III Environmental Product Declarations for Angelus Block Concrete Masonry Units, specific to location and mix designs, and in one of six Health Product Declarations, as applicable for its weight classification. • Contributes to green rating systems calculations, including Regional Materials, EPDs, and Material Ingredient Reporting. • Angelus Block CMU help facilitate and support many more strategies and credits, including Optimize Energy Performance, Construction Waste Management, and several within Indoor Environmental Quality. Angelus Block CMU contain no VOCs.