Polylok Complete 24" Riser Kit (14" Tall) The Polylok 24" riser kit comes complete with everything needed to install a septic tank riser system in your application. This package gives you approximately 14" in height. Additional 24" Polylok risers can be purchased and stacked on to this kit. The Polylok Complete 24" Riser Kit consists of the following components: Polylok 24" x 12" Riser (Round Wall) (PN: 3008-R12R-NG) Polylok 24" Riser Cover (PN: 3008-RC) Polylok 20"/24" Riser Adapter Ring (PN: 3009-AR) Polylok Adapter Ring Installation Anchor Kit (PN: 3009-KIT-NG) Optional foam gasket sold separately Polylok 8" Tall & 14" Tall Riser Kits now include Polylok Riser Safety Screens! These bright yellow, heavy-duty ABS screens act as a secondary layer of protection if the riser cover is unknowingly damaged or removed. The Riser Safety Screen fits in the upper most riser stack of our Polylok 12"x6", 20"x6", 20"x12" and 24"x6" risers and prevents entry into the tank. The Riser Safety Screen is rated at 250 lbs. per sq. ft. and comes with a built in handle. For a better nights sleep, make this a part of your riser installation each and every time! Installation Instructions: Locate adapter ring over access opening on top of tankUsing a 1/4" masonry bit, drill 8 holes 1-1/4" deep on top of tankClean under surface of adapter ring (apply optional foam gasket or butyl)Position adapter ring over opening, using 1/4" anchors, tap anchors into drilled holes and tighten with wrenchPosition appropriate riser and or cover and screw onto the adapter ring to provide a watertight connection NOTE: These items should be installed by a professional septic tank installer or pumper. These are not intended to be installed by a homeowner.