Spring and board assemblies are designed to provide the ultimate in comfort and durability. All assemblies use the patented "O-Center" coil and four way lacing, and are warranted for up to ten years.

Entransit™ is a flexible membrane suspension designed to meet all flame, smoke and toxicity standards for rail and bus. It is used as a bladder and as a full three dimensional suspension.

BISCO-MF1® foam is a silicone foam, which meets all flame, smoke and toxicity standards for rail and bus. It is used as a topper pad or full depth cushion foam.