Photo 1 of BOXOB 4 Pack RV Window Knob & Vent Knob with Screwdriver, 1/2" Shaft 2-1/4" Diameter ABS Plastic Camper Trailer Latch Replacement Easy Install Interior Hardware for RV Windows Roof Vents (White)

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Photo 1 of BOXOB 4 Pack RV Window Knob & Vent Knob with Screwdriver, 1/2" Shaft 2-1/4" Diameter ABS Plastic Camper Trailer Latch Replacement Easy Install Interior Hardware for RV Windows Roof Vents (White)Photo 2 of BOXOB 4 Pack RV Window Knob & Vent Knob with Screwdriver, 1/2" Shaft 2-1/4" Diameter ABS Plastic Camper Trailer Latch Replacement Easy Install Interior Hardware for RV Windows Roof Vents (White)