The VIAIR 400P Portable Air Compressor 40043 is a compact and powerful air compressor designed by Viair Corporation. With a horsepower of 1/8HP and a voltage of 12V, this portable compressor is ideal for on-the-go use in vehicles. It comes with an interchange part number for Summit Racing and is manufactured by Viair themselves, known for producing high-quality automotive tools and supplies. Perfect for inflating tires, air mattresses, or other inflatable items, this portable air compressor is a convenient and reliable option for any auto enthusiast or mechanic.