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Arc 24 Chamber

Arc 24
Arc 24 Logo

The Arc 18 septic leaching chamber is a sturdy, lightweight plastic unit that combines maximized infiltrative surface area and storage capacity with an improved structural design to handle most any conventional leachfield system challenge without sacrificing performance.

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22.5"W x 67"L x 12"H
(572 mm x 1702 mm x 300 mm)

Effective Length
60" (1524 mm)

13 lbs

Total Bottom Area
7.96 sq ft

37.5 gal (5.02 cu ft)


  • Injection-molded from polyolefin for lightweight and sturdy design
  • 20° integral articulating joint is ideal for either straight or contoured septic leachfield applications
  • Designed to accommodate both gravity-fed and pressure-dosed systems
  • Corrugated chamber design eliminates flat surfaces and provides increased load bearing capability in the trench
  • “Lock and Drop” joint provides a more positive connection during installation and backfill
  • Universal inlet/outlet endcap
  • Inspection vent ports on every unit with easy-to-remove knockouts for maximum job site flexibility
  • Convenient five-foot lengths are easy to handle
  • Quickly installed by one person into two-foot wide trench or bed applications
  • Increased plumbing option with Side Port Coupler component which snaps in place to allow side entry at any joint throughout trench line
  • Diamond plate texture increases slip resistance and enhances ease of installation

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