Description:Cat seats are designed to provide an ergonomic seating option for machine operators. Suspension seats provide a shock absorbing suspension system and adjust for the operator’s convenience to hand and foot controls. Cat service and replacement parts allow easy field service of Cat seating systems. Quality you expect for your equipment.Attributes:• Plastic air supply tubing• 3.2 mm (0.125 in) inside diameterApplication:Tube used to supply air for air type seat suspension systems. Consult your owner's manual or contact your Cat Dealer for more information.