Sahara 500 Automatic BilgeIncludes a 36" length of 16-gauge tinned, caulked copper wire. Permanent-magnet motor, stainless steel shaft, and steel-reinforced seal assure powerful, durable performance. Mercury-free design. All models are 5-1/2" L (not including hose nipple) 3-1/4" W x 4" H. 3-Year Warranty.