The High Capacity H-20 and 3050 H-20 Chambers offer maximum internal volume per linear foot for high storage capacity at peak flows. They are ideal for commercial applications that may receive occasional traffic.

The High Capacity H-20 Chamber The High Capacity H-20 Chamber gets an H-20 load rating with 18” of compacted cover when installed per installation requirements. See design details for live load traffic applications. Download product specs here. (PDF)

Size (W x L x H)........................34” x 75” x 16” (86 cm x 190 cm x 40 cm) Storage Capacity....................110 gal (416 L) Louvered Sidewall Height........10” (25 cm)

The 3050 Chamber The 3050 H-20 Chamber is an effective alternative for gallery designs. Its 2-foot wetted sidewall assures maximum infiltrative surface area. Download product specs here. (PDF)

Size (W x L x H).............................51” x 85.4” x 30” (129 cm x 216 cm x 76 cm) Storage Capacity.........................343 gal (1298 L) Louvered Sidewall Height..............24” (60 cm)