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H-20 Chamber


The High Capacity Infiltrator Chamber H-20 offers maximum internal volume per linear foot for extra temporary storage capacity. The 10” louvered sidewalls facilitate infiltration and evapotransporation, while reducing fines in the system. The High Capacity H-20 chamber gets an H-20 load rating with 18” of compacted cover when installed per installation requirements.

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34"W x 75"L x 16"H
(864 mm x 1905 mm x 406 mm)

38 lbs

Storage Capacity
110 gal (14.3 cu ft)

Louvered Sidewall Height
10" (254 mm)


  • More temporary storage capacity
  • Maximum internal volume per linear foot
  • Easy assembly and installation with as few as two people, a backhoe and a pickup truck
  • Inspection port option for easy access to leachfield with no site disruption
  • Overall reduced cost

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