National Standard Plus in Black Mordura Cloth with Triple Chamber Air Lumbar with Back Bolsters and Heat Ford E-Series Van Seating this mattress features a 5”

this mattress features a 5” high-density foam base and a 3” memory foam top for superior comfort

Featuring taller and wider headrests for better head and neck support

Fore/aft isolator

The Bostrom Height Control Air Valve Kit is designed to replace the height control valve in Liberty II and T-Series Bostrom seats

Length: 9"

National Standard Plus in Black Mordura Cloth with Triple Chamber Air Lumbar with Back Bolsters and Heat Ford E-Series Van Seating this mattress features a 5”The National Standard Plus seat offers premium comfort and ergonomic support for professional drivers. Upholstered in durable black Mordura cloth, it features a triple chamber air lumbar system with integrated back bolsters for superior spinal support. This model also includes a heated seat function, making it ideal for cold weather conditions and long haul comfort. Features: Black Mordura cloth for durability and comfort Triple chamber air lumbar