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:• In-line filter• 1/4-NPT male to 1/4 NPT female Application:Valve used to provide clean air to the seat suspension from an external intake. Consult your owner's manual or contact your Cat Dealer for more information.