Universal fit, top mounts to all sizes & shaped covers. Impervious to fresh water, Reversible with lock in feature, product specifically designed to mark your roof drains. Our reversible roof drain flag markers will safely & reliably identify all your roof drain locations storm after storm, year after year. Built to last the life of the roof. Proudly manufacturing in the United States of America we ensure the highest quality of materials and craftsmanship
Marathon is one of our top 5 suppliers (out of our 200+). Besides extraordinary service, they provide quick delivery, top quality products and competitive costs. This has enabled us to work together to grow our business each year with Marathon.
— Best Materials LLC, Phoenix AZ