Blue Monster Compression Seal 1-in x 1-ft Pipe Wrap Tape (Pack of- 3)Blue Monster compression seal tape stops problem leaks under pressure without having to turn off the water source. Self fusing layers form a waterproof compression seal. Rated to hold 150 PSI leaks and works on all types of rigid piping. Stops problem leaks up to 150 psi without having to turn off the water source Working temperature range of 130 F to 500 F Self fusing layers form a waterproof, long term compression seal Environmentally safe and non