The Kenmore Natural Gas Conversion Kit lets you convert your compatible Kenmore grill from Liquid Propane (LP) to Natural Gas (NG). It works with 4-Burner models that have Searing Side Burners, including PG-40405S0L-SE and PG-40409S0LB. The kit is gray and comes with a 10-foot gas hose. It weighs 4 pounds. Made for durability, it is easy to install. This kit is a great way to upgrade your outdoor cooking. Enjoy grilling without needing to refill propane.