Model 45 - 3.5" x 5.5" Rectangle Rubber Grommet Model 45 - 3.5" x 5.5" Rectangle Rubber Grommet. Flush mounts the 45 Series lamps. Provides lamps with additional shock absorbency to extend lamp life. TPR grommet designed for extreme environmental applications and eliminates outgassing. Semi-closed back recommended for incandescent lamps to protect lamp and wiring while allowing heat to escape. Closed back recommended for LED products only and protects against corrosion and stone damage High Quality Craftsmanship 1-Year Warranty Made in the USA Sold Individually M49700 Still looking for the perfect part? Having trouble finding it? Call our product experts at 603-224-7370 and let us lend a hand. EXTRAS Extras The following products are meant to be used or paired with the product above. Model 40 - 4" Round Rubber Grommet (4.5" hole) Model 10 - 2.5" Round Rubber Grommet (2.75" hole) Model 10 - 2.5" Round Rubber Grommet (3" hole) Still looking for the perfect part? Having trouble finding it? Call our product experts at 603-224-7370 and let us lend a hand.