Trac Ecological Flushcap 2.25in Small Small. The Trac Ecological Flushcap will fit over the Groco strainer covers allowing you to easily access and clean the strainer and adjoining system. Perfect for descaling the Trac Ecological Flushcap makes your raw water cooled equipment faster cleaner and easier There's no need to constantly remove your hoses to access your strainer. The Trac Ecological Flushcap is the ultimate accessory to have for your boat allowing you to clean and clear your equipment with ease without having to remove and re-install hoses over and over again. Features of Trac Ecological Flushcap 2.25in Small Fits Groco strainer covers Easy to install Temporarily replacing your GROCO ARG Strainer Cap with a TRAC FLUSHcap allows you to effortlessly flush your strainer and adjoining system No need to constantly remove your hoses to gain access to your strainer Makes flushing your raw water cooled equipment faster cleaner and easier Package Contents: Trac Ecological Flushcap 2.25in Small Trac Ecological 1285-A: Flushcap 2.25in Small Small