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Use our flow rate calculator to confirm that you are buying the right size of rainwater system or outlet, with the right capacity for effective rainwater management/drainage for your property based on its location, the number of 'drops',  and the size and pitch of the roof area.

© Rainclear Systems - Unit 34A Ganton Way, Techno Trading Estate, Swindon, SN2 8ES - 0800 644 44 26

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