3M Marine Grade Silicone Sealant 304 mL

The 3M Marine Grade Silicone Sealant delivers a reliable, waterproof seal for use on boats, RVs, and other marine equipment. Its clear, non-corrosive formula is ideal for both interior and exterior applications, providing long-lasting flexibility and UV resistance. Easy to apply with a standard caulking gun, this 304 mL (10 oz) cartridge is perfect for sealing seams, joints, and fixtures exposed to harsh marine environments.