Abstract: A wax free pop-up seal 450 may be integrated with a spring 200 or other resilient component to connect a toilet to an existing soil pipe flange 325. A pop-up seal system 100 provides toolless, nondestructive and seamless height adjustment and comports with both smaller and larger diameter soil pipe flanges. For retro fit installations, a pop-up seal may comprise extended fins 471 for use with larger diameter soil pipe flanges and for use with smaller diameter soil pipe flanges, the extended fins may be removed. For new construction a new soil pipe flange is provided and a customized pop-up seal 600 comprises a seal system well suited for the new soil pipe flange. The pop-up seals may operate with or without springs or other external flexible components.

Abstract: The present invention relates to a mounting bracket having a plurality of apertures on both sides of a main body of the mounting bracket and a turning surface disposed at an angle of 90 degrees from a rear end of the main body. The invention is characterized in that the main body includes a positioning member at a predetermined position of the main body for temporarily fixing a nail or a screw, and the positioning member includes an accommodating space therein for receiving the nail or a screw and fixing the nail or a screw onto the main body.