The HARDI 241684 is a genuine replacement pump membrane designed for various HARDI diaphragm pumps used in agricultural sprayers. This essential component ensures optimal pump function and longevity. It features an outer diameter of 170 mm, an inner diameter of 20 mm, and a thickness of 4 mm. Compatible with HARDI pump series including 363, 463, 563, 603, 703, 803, 1003, 1203, 1303, 1403, 1603, 1803, 2003, 2203, 2403, 2603, 3003, 3603, 4003, 4603, 5003, and 6003, as well as their /8 variants.