"Room Temperature Vulcanizing (RTV) adhesive/sealants are designed for a wide range of sealing, bonding, protection, and waterproofing applications. " "Clear, White and Blue are for general purpose applications. Red is excellent for extreme temperature and pressure applications. " "Clear: Forms a barely visible water-tight seal. " "White: Designed for high moisture, indoor/outdoor applications. " "Blue: Heavy duty industrial gasket sealant. " "Red: High temperature, low odor, non-corrosive gasket sealant. " "Revolutionary pressurized package provides a convenient alternative to messy caulking tubes. " "Dispenses a uniform bead for consistent results. " "Pressurized package keeps silicone fresh so it won’t dry out. " Self-sealing plug - simply pull out to re-use product.