In compliance with safety standards of 94/25/CE. Rule reference ISO 8864 The STAINLESS STEEL AISI 316 level senders show the level of fuels and water in the tanks of leisure boats; they have 5-hole flanges and they are supplied complete with rubber gasket. The 240-33 OHM YAZAKI sensors are suggested for all instruments with frequency 240-33 OHM: YAZAKI - AQUA METER - TELEFLEX - GFN. The 10-180 OHM VDO sensors are suggested for all instruments with frequency 10-180 OHM: VDO - FARIA - GFN.