Pro4®

Certified – Certified to meet the International Association of Plumbing and Mechanical Officials (IAPMO) standards
Asymmetrical Arch Design – Supports wheel loads of 16,000 lbs/axle with 12″ of cover
Material – Made with high-performance polymers
Inspection Port – Includes provision for 4″ inspection port at each chamber to chamber and chamber to endcap connection
Injection Molding – Manufactured with the latest injection molding technology
Surface – Has non-slip textured surface for added safety
Interlocking Couplers – Includes interlocking coupler with 10º joint articulation in either direction
Flexibility – Designed for use in trench and bed applications
Lightweight and easy field manipulation saves time, labor, and allows for the use of smaller equipment

Flexible Inletting – Supports multiple gravity, front, side, and top inletting elevations
Pressure Dosing – Accommodates 1 ¼” – 2” diameter pipe installed at-grade or suspended
Splash Guard – Integral snap and set splash guard
Interlocking Endcap – Includes interlocking feature for endcap to chamber connection

Available Sizes

^{* See installation instructions for backfill and cover requirements.}