Infiltrator 12" Snap Riser – Riser Extension for Underground Tank Access
The Infiltrator 12" Snap Riser adds a full foot of vertical access to any compatible Infiltrator underground tank, making it easy to bring access ports to grade in deeper installations. Designed for use with 24" lids and riser stacks, this riser features a snap-fit connection that locks in place without screws, sealants, or special tools.
Ideal for septic systems, rainwater harvesting tanks, or graywater storage, this riser is molded from UV-stabilized polyethylene for long-term durability in outdoor and underground environments. Multiple risers can be stacked to reach your desired height.
Product Details
Key Features
Extends Access Height by 12 Inches – Stackable with other snap risers
No Tools Required – Snap-fit design for quick, secure installation
Compatible with 24" Infiltrator Lids and Tank Ports
Watertight and Tamper-Resistant – Keeps out debris and surface water
Heavy-Duty Polyethylene Construction – UV- and impact-resistant
Ideal for Septic, Rainwater, and Nonpotable Water Tanks
Specifications
Height: 12 inches
Diameter: 24 inches (outer diameter for lid/riser interface)
Material: High-Density Polyethylene (HDPE), UV-stabilized
Color: Black
Weight: Approx. 8–9 lbs
Compatibility: Infiltrator 1787 Gallon Tank, IM-Series Tanks, 24" Lids
Installation: Snap-fit stacking system (no hardware or adhesives needed)
Load Rating: Pedestrian/yard use (not rated for traffic loads)