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Looks like you're needing the Replacement Specialty In-Wall Block for Lippert Power Gear Slim Rack RV Slide-Out System - Right # LC87WD. view full answer...
Yes, the # MA10-20281K-1AF is a replacement operator mechanism needed. It will also work for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents. view full answer...