3/4 in. x 6 ft. Foam Semi-Slit Pipe Insulation (Pack of 10) por | ago 2, 2026This foam pipe insulation features asemi-slit design, making installation quick and hassle-free. Simply open the slit, slide onto the pipe, and secure with tape or zip ties if needed. x 6 ft. Foam Semi-Slit Pipe Insulation Tubes.