b'E N E R G Y - S A V I N G S H I N G L E SE N E R G Y - S A V I N G S H I N G L E SE N E R G Y - S A V I N G S H I N G L E S(Only available in the U.S.)T l s i l n m e e l g n i e m i T e f i e i r b h s*U.S. only U.S. only*StainGuard algae protection is available only on shingles sold in packages bearing theStainGuard logo. Products with StainGuard algae protection are covered by a 10-year limited warranty against blue-green algae discoloration. See GAF Shingle & Accessory Ltd. Warranty for complete coverage and restrictions.Note: It is difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.20'