The product is a Grainger Approved Vendor 3/4″x15Ft PTFE Joint Sealant, specifically model number 21TF50. It is a high-quality sealant designed for various industrial and commercial applications. This sealant is approved by Grainger, a trusted brand known for providing reliable and durable products in the adhesive tapes and sealants category. With its durable construction and trusted brand ensure a reliable and long-lasting sealant for various joint sealing requirements.