SL70 Readout Filter is a Garmin product offered through Roger Wilco Aviation Services, an authorized Garmin aviation dealer and FAA Part 145 repair station. Garmin source description: SL70 Readout Filter. Garmin part number / SKU: 308-3201-50 Category: Avionics - Accessory Garmin list price: $65.56 Fulfillment: Garmin items are special-order/direct-fulfillment unless specifically marked in stock. Garmin delivers to RWAS, then RWAS delivers to the customer. Support: RWAS can help confirm aircraft compatibility, installation requirements, warranty routing, and available Garmin promotions before purchase. For panel-mounted avionics, final eligibility may depend on aircraft make/model, STC/AML status, configuration, installation hardware, and database or subscription requirements.
