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The improved method for flushing out your black water tank! Allows for the continuous flow of water to your holding tank through the unblocked center of chock. When Johnny Chock is in place there is no need to hold or wedge toilet flush valve with your foot, hands, or a stick. Johnny Chock also assists you when using various toilet rinse tubes to clean holding tank. To use simply open flush valve with hand or foot and place Johnny Chock in toilet bowl where it will keep valve open until you remove it.  |
