From Ryno
Ryno T-Pipe mounting ring and spigot used to secure the T-Pipe leaf guard. The T-Pipe leaf guard prevents the ingress of leaves and other debris into the rainwater outlet. Key Features: Sump increases the rate of rainwater flow into the drain Extremely cost-effective Suits all forms of flat roof Suitable for most applications Highly resistant to UV Highly resistant to ozone Highly resistant to other atmospheric and chemical agents Remains flexible, even at very low temperatures