The Schier FCR-1 Field Cut Riser is an essential accessory for buried grease interceptor installations, specifically designed for indoor models GB1, GB2, and GB3 with 21-inch covers. This innovative riser system offers unparalleled flexibility during installation, allowing for quick on-site height adjustments by simply trimming the riser body to your desired specifications. Constructed from durable lightweight polyethylene, these risers can be stacked up to two units high, providing a maximum height of 25 inches. The field cut capability eliminates costly project delays typically associated with waiting for custom-built risers, helping maintain project timelines and budgets. The riser seamlessly integrates with your existing Schier grease interceptor system, ensuring proper grade-level access while maintaining system integrity. Perfect for contractors and installers who need reliable, adjustable solutions for varying installation depths.