0413390-23 & 0411977-1 CESSNA 150/152 WINDOW ARM (ONLY), FAA/PMA Approved! RV-12 NACA inlets are air intakes

NACA inlets are air intakes that are streamlined into the fuselage

Affordable Aviation FAA/PMA approved Window Arm  FITS: Left or Right side

MS24665-132 - Cotter pin

NACA found out that the specific aircraft like shape is ideal to slow down air at that specific point and moisture will not freeze

Please verify vent size for your aircraft

0413390-23 & 0411977-1 CESSNA 150/152 WINDOW ARM (ONLY), FAA/PMA Approved! RV-12 NACA inlets are air intakesSAVE BIG! Affordable Aviation FAA PMA approved Window Arm MANUFACTURED BY AFFORDABLE AVIATION Direct replacement for Cessna part numbers 0413390 23 & 0411977 1 If purchased from Cessna the Window arm sells for over $600 FITS: 150 152 Left or Right side ***When ordering the Window Arm only, it is recommended you also order the Spring # 0711021 9***