Universal Hot Pad Heater; 4″ X 5″, 120V, 250 Watts, Dim A (1): Silicone Covered / Acid Resistant / Pliable, Dim B (2): For Cars, Trucks, Tractors, Dim C (3): Easy To Install, Dim D (4): Engine Oil Pan 8-20 Quarts, Dim E (5): Diesel Tank 10-20 Gallon, Dim F (6): Hydraulic Tank 10-20 Gallon, Dim G (7): Water Tank 4-7 Gallon, Web Notes: hydraulic tank (10-20 gallons), and water tank (4-7 gallons) during freezing temperatures., Web Notes: This new universal hot pad heater is silicone covered, acid resistant, and pliable enough to use, Web Notes: to install and can be used to warm your engine oil pan (8-20 quarts), diesel tank (10-20 gallons),, Web Notes: with most cars, trucks, and tractors. The heater pad is 4″ x 5″, 120V, and 250 watts. It is easy