Backpack spray pump with manual action for non aggressive liquids. Can be used in the garden to spray parasiticides, fungicides, pesticides in plant treatment or in any other work where sprayed product must be applied. 11 - 15 -18 litre reservoir capacity respectively. The reservoir is made in recyclable polyethylene plastic material with anti-UV treatment for protection against ultraviolet rays in sunlight. There is a transparent strip so that the liquid level can be checked and for precision dosing of the product to be mixed. Equipped with an upper handle for transport, it can be transformed for right or left-hand use. Another important characteristic is the large filling mouth (100 mm) with hollow filter with tight weave sections. Pumper in plastic material with a large compression chamber in order to provide an even spray and long operating time. The standard model comes with the LA2284 lance, a telescopic lance with a 55 cm to 90 cm extension, lever grip in plastic and extension in aluminium. The ergonomic aspect of the pump is specifically designed, with an anti-fatigue angle of the lever, adjustable straps-shoulder pads, hook to hang the lance at the end of operations and to ensure optimum comfort in use. The pump can be equipped with a range of accessories such as: various models of lances and extensions,