4 in. Green Angled Mitered Drainage Grate
$30.00 on Amazon.com (as of October 15, 2026, 11:56 PM EST) View details ↗
The 4‑inch Green Angled Mitered Drainage Grate from Mitered Drain is engineered for flat‑area applications where conventional inlets struggle to move water. Its unique 3:1 sloped design channels water directly into the connected pipe, eliminating the typical drop and reducing the chance of standing water. This angled approach provides the extra slope needed for proper drainage without having to regrade the surrounding surface.
Constructed from high‑density polyethylene (HDPE) with a built‑in UV inhibitor, the grate maintains its structural integrity and vibrant green color even after prolonged exposure to sunlight. The accompanying PVC components are gray and are compatible with standard PVC Schedule 40 or DWV pipe bells, ensuring a secure, leak‑free fit. While the grate excels in residential and light‑commercial settings, it is not recommended for areas subject to heavy traffic loads.
All components are proudly manufactured in the United States, reflecting a commitment to quality and domestic production. Whether you are retrofitting an existing flat patio or installing a new drainage system in a garden, this angled grate offers a reliable solution that improves water flow and helps prevent water‑related damage.
| Slope Ratio | 3:1 |
|---|---|
| Grate Material | HDPE with UV inhibitor |
| Grate Color | Green |
| Pipe Compatibility | PVC Schedule 40 or DWV pipe bell |
| Manufacturing Origin | Made in the USA |






