1" brass disc sucker

APM brass disc sucker is suitable for self-priming pumps, drawing water from wells, water tanks or other water sources, where water can be drawn from such a pump.The vacuum cleaner is equipped with a fine stainless steel mesh. The mechanism that opens and closes has a metal disk with a rubber seal. The suction cup is in the closed position, it opens from the water pressure, and then it closes automatically when the pump is stopped. The connecting thread is 1"internal.