When it comes to installing wall clips in your 2013 Itasca Navion Motorhome the difference between the thin or thick wall clips is how thick the walls are in your motorhome.
The Refrigerator Vent Latches - Thin Wall - Qty 2 # 372235 work with walls up to 1/16 inches thick.
The Refrigerator Vent Latches - Thick Wall - Qty 2 # 372245 work with walls up to 3/16 inches thick.
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