Haven't tried it literally. However when we are trying to push/pull the handle, there's air that's coming out around the lever so less air is coming out in the head part of the plunger. Hopefully, this will still works.
â—ŹErgonomically designed sliding ABS plastic handle with a large force area for a comfortable grip.
â—ŹThe heavy-duty toilet plunger delivers a powerful air pressure of up to 120 psi, ensuring fast and continuous blowing action to quickly solve clogged toilets.
â—ŹEffectively unclogs all types of pipes, toilets, floor drains, bathrooms, sinks, washbasins, vegetable basins, and drains. Say goodbye to blockages caused by hair, tea, grease, and more.