Check the listing for details. Dielectric 12/24 Mo. Compressor MAINTENANCE KIT Model 200 Air Dryer Dehydrator. Condition: New. Listed at 369.99 USD. This listing is for 1 - new Rebuild Kit for Dielectric Model 200 Air dryers with a Gast Compressor.Description: Brand New, Unopened, Gast Full Repair Kit. These normally have a lead time of 8 business days to ship.​Includes: (1) Instruction Manual (2) AA929 Filter Spacer-Felt (1) AJ404A Head Gasket ROA/SAA/SOA (SP) (1) AJ787 O Ring LAA/LOA/SAA (SP) (1) AJ793 Valve PLT ASM LAA/LOA/SAA (SP) (1) AJ826 Cup LAA/LOA/SAA FCST (2) B344A Felt Spacer (2) BB557 10x24 x .500 UCFHMS SS (1) PD339 Die CutKit contains parts to service 1 Cylinder.This service kit returns your unit to original factory performance specifications. Recommend for service every 600 hours. Kit contains components to service both cylinders. Service kit includes: Cups, valves, o-rings, gaskets, screws.