Product Description Tapered sides to prevent ball valve drop out (when using a 115mm float) Suits 20mm and 25mm ball valves Supplied with 3 sets of mounting brackets Compliant with WRAS water supply regulations Note: This equipment is Hot Dip Galvanised to BS EN ISO 1461, however, where the equipment will be in prolonged contact with silage or other mineral rich water, it is recommended that food safe or non-toxic epoxy is applied to areas of the product which will be in contact with silage, feed or water before use, and then periodically thereafter when it is empty, clean and dry in order to prevent corrosion of the steel and zinc and therefore extend the life of the equipment. Service Box - Loose Fitting To Suit 1'6 X 1'4 Troughs