12V 8A 4-Port Universal Car Heater, Portable Electric Auxiliary Cab Heater, 12 Copper Tubes Fast Heating, Defroster Defogger for Truck/RV/Van/Boat, 5/8" Hose Compatible (Not Included)

ApplicationIt is suitable for cars, trucks, ships, RVs, vans, excavators, harvesters, etc.SpecificationColor: GreyOptional Voltage: 12V Power Supply: 8A Material: Copper, IronSwitch: Infinite Speed RegulationMotor Type: Blower MotorWeight: About 3kg/6.6lbsHeater Size: 23*21*10cm/9*8*3.9inchRequired Fitting: 5/8'' (16mm) Inner Diameter Water Hose (Not Included)Instruction1.Make sure the direction of flow through the cooling system. 2.Connect the hot coolant hoses to the inlet and outlet of the heater. 3.Wire the heater and switch it into your vehicle’s electrical system. 4.Connect the red wire of the switch with the positive pole of the power supply and heater. 5.Connect the blue wire of the switch with the negative pole of the heater. 6.Connect the black wire with the negative pole of the power supply.Package Included1* 12V Four-way Heater4* Black Tubes2* Tees2* Mounting Brackets1* Switch2* Straight Fittings6* Hose Clamps (0.6-0.9inch)2* Screws

• [Turbo Heat Flow] Engine-inspired design heats air in 3 seconds and blasts it through 4 directional vents, filling your cab with wall-to-wall warmth. No cold spots, just consistent comfort.
• [Infinite Comfort Control] Dial-In Your Perfect Temp Adjust airflow from gentle breeze to tornado-force with a single knob. Defrost windshields, warm frozen feet, or circulate heat silently—your call, your comfort.
• [Zero Fuel, Zero Fuss] Skip diesel heaters! This 12V electric unit draws power directly from your battery, slashing fuel costs by 100%. Perfect for long hauls or idle parking.
• [Built Tough, Lasts Long] While others rust or crack, ours laughs at vibrations, salt, and -40°F winters. The military-grade core and sealed motor keep running, season after season.
• [Stealth Installation] Hide It Under Your Dash At 9x8x3.9 inches, it tucks neatly beneath seats or dashboards. No bulky boxes, no drilling—just snap brackets on, connect hoses, and forget it’s there.