RSTB-2 by Banjo | Pipe Sealant | RectorSeal® Tru-Blu® with TFE (2 oz Tube) | Pack of 24Applications: Thread sealant designed for high vibration environments. Features: Fast drying Flexible set Conforms to TT S 1732 Note: Banjo DOES NOT recommend using pipe tape. Pipe tape enlarges the outside diameter of the male thread and may cause the female thread to split. Banjo recommends using a pipe thread sealant. Use on clean tapered threads. Apply a thick even coat on male threads using brush applicator. For pipe diameters smaller than 1 1 4"