Our Universal Downpipe Hopper fits both round and square downpipes. Hoppers are used to bring together a collection of flows from different pipes. The bottom of the hopper is then connected to a standard rainwater pipe. No solvent or sealant is required. FloPlast recommend the use of lubricant on all gutter seals for ease of fitting and improved performance. Key Features: The original Half Round profile. A practical, easy to install system. Good flow capacity. Pre-fitted gutter seal retaining clip system for fast user friendly installation. Pre-lubricated seals. Cost effective solution for both new build and Refurbishment applications. Connects to most other metal or plastic systems, using our extensive range of adaptors.