D&W Plastic Floor Register - 4in x 8in White. The D&W Floor Register - 4in x 8in replaces steel registers with no hassle and comes in a variety of sizes for added convenience. The Floor Register by D&W is will never rust. They have no sharp corners or protrusions; perfect for the bare feet in your RV So what are you waiting around for? Get your D&W Plastic Floor Register - 4in x 8in now Features of D&W Plastic Floor Register - 4in x 8in Eliminates bent fins scratches dents and jammed mechanisms Will never rust No sharp corners or protrusions Floor Register Size: 4 inch x 8 inch Floor Register Color: Brown Package Contents: D&W Plastic Floor Register - 4in x 8in D&W 7848RWH-2H-UL: Plastic Floor Register - 4in x 8in White