4" Base plastic sloped end cap w/ 4" outlet UV-resistant These rails fasten to each

These rails fasten to each edge of your trap

This catch basin comes with a C-class Ductile cast iron grate designed to withstand vehicle traffic

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anti-slip proof

4" Base plastic sloped end cap w/ 4" outlet UV-resistant These rails fasten to eachThis end cap is used to connect the end of the 4" Base plastic pre sloped trench drain channels to 4" PVC piping. Make sure to select the matching depth end cap to the depth of trench drain you purchased. You can find the table below explaining the compatible depths. Compatible depths for each end cap: Universal depth 1 (6308 1) = 2" 2. 36" Universal depth 2 (6308 2) = 2. 76" 4. 72" Universal depth 3 (6308 3) = 5. 12" 6. 54"