Feature:Maximum Load capacity: Heavy duty vacuum sution cups can hold up to 440lbs. They can maintain a vacuum for approximately 6 hours, allowing you to use them confidently in your handling operations. Real-time Pressure Monitoring: Our vacuum suction cup lifter is equipped with a pressure gauge that allows for real-time monitoring of the suction force. When the pointer is in the green zone, it indicates safe operation. However, if the pointer moves into the red zone, it is essential to continuously press the handle until the pointer returns to the green zone.High-Quality Materials: Our window suction cups heavy duty are crafted from durable, high-strength rubber. These flexible and thick rubber pads provide strong adhesion, featuring a triple-sealing.
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