Our high quality, hand crafted bilge pump switches and alarms remain sealed from moisture for as long as you own your boat. ULTRA Bilge Pumpswitches™ come in three sizes depending on your needs: Mini, Junior, and Senior. All three are available in either 12 volts, 24 / 32 volts, respectively. Each is a commercial switch with extra lead wires, adhesive butt slices, and capabilities.Shop All ULTRA TEF-GEL ProductsVisit ULTRA TEF-GEL Website