12x12 Basin Riser A 12x12 Basin Riser designed to raise your 12x12 basin coverage 4 inches while still fitting all of our 12x12 Catch basin gratings. Key Features:● Snaps together to stack on top of all 12x12 basins for 4" rise.● Can be used in connection with our 4" channels to connect basin to channel (Not applicable for the Easy TWO System).● Allows for stacking multiple units together to achieve a higher rise. Expanded Product Overview: The 12x12 Catch Basin Riser will raise your 12x12 basin coverage 4 inches. Still fitting all of our 12x12 Catch basin gratings as well, the 12x12 Riser is stackable, and has a 4" channel knockout on all four sides for channel to channel connection. Common Installations:● 12x12 Catch Basin Technical Specifications:● Material: PPE Plastic● Size: 11 ⅜” x 11 ⅜” x 4 ¾”● Article Number: 8370-E Backed by expert engineering and trusted by professionals nationwide, Vodaland delivers reliable, high-performance solutions designed to meet the demands of every project so you can build with confidence.