Description 018-1138 AP Products Multi Purpose Weather Stripping Single Bulb With The 018-1138 AP Products Multi Purpose Weather Stripping Single Bulb is designed to provide versatile weather protection for various applications. AP Products, known for supplying quality replacement parts to the Recreational Vehicle Industry, offers this weather stripping with a limited 1-year warranty for your peace of mind. Length: 35 Feet Color: Black Quantity: Single.