Oatey 12956 Aluminum 3"- 4" pipe diameter All-Flash, No-Calk Roof Flashing 12" x 15" Base Product Description Patented all-flash design allows use on multiple pipe sizes. Aluminum base. Rated 180f continuous heat and approved for type b installations. From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry Features Patented all-flash design allows use on multiple pipe sizes Aluminum base Rated 180F continuous heat and approved for Type B installations Slides over pipe. Type of base determines pitch Non-fading, non-cracking and non-rusting bases and sealing collars Ring on collar tears off, allowing flashings to seal different pipe diameters Approved for Type B installations Not for hot-mopped or built-up roofs USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.