Our Square Gutter and Fittings are manufactured by UK market leaders FloPlast.Connects to 65mm square downpipe. For a quick overview of running outlets watch the short video below:andnbsp;Click here to watch our short video guide on connecting outlets to downpipes.Running outlets are the fittings that are used to connect the guttering into the downpipes. The gutter is clipped in on either side of the outlet, and the bottom part of the fitting is a moulded spigot that fits inside the downpipe. The connection to the downpipe is a push fit one, no adhesive is required.The position of the running outlet is generally governed by the position of existing drainage connections. However if you are designing a new system it is worth remembering that the capacity of the any gutter system is increased when outlets are positioned centrally rather than at one end of the run.To prevent rainwater pipes from filling up with leaves and moss and causing blockages, you should consider fitting a leaf guard