Saddle Risers and Increments Home Residential Septic Tanks Specifications Saddle Risers and Increments Share Facebook Twitter LinkedIn Email Monday, 12 December 2016 by Ri Industries Saddle Risers and Increments Saddle risers, increments & cover slabs To suit all horizontal septic and holding tanks Cover slabs suitable for pedestrian traffic only Radius of saddle riser varies to suit tank Each component fitted with 1.3t ‘Swiftlift’ anchors for lifting Download Product Specification ~ PDF