Polylok.com's online catalog features its range of septic tank risers, while WasteWater.com features Polylok and Tuf-Tite risers in various sizes. The Menards.com online plumbing catalog offers a number of different sized risers and septic tank riser kits. Tuf-Tite.com also features risers available in cartons of three or more.
Polylok's septic tank riser inventory includes square and round risers for setting into concrete or for use in a Polylok D-Box. Polylok risers feature unique structural internal ribs designed to prevent frost formation. Tif-Tite's septic tank risers are corrosion-resistant. Menards' risers are designed for use with AK tanks only, while the tank riser kits are compatible with risers of specified sizes.