The Whirlpool 20-48KITRC is a dryer gas connector kit intended to streamline the process of connecting your gas dryer to your home's gas line. This kit includes a four-foot stainless steel gas connector hose, three brass fittings in different sizes ⅜ inch, ½ inch, and ¾ inch, pipe thread sealant for a tight connection, and leak detection solution to ensure proper sealing.While the kit includes all of the components needed to connect your dryer, the installation process can be complicated and necessitates the use of specialized tools. Whirlpool recommends that qualified experts perform the installation because of the potential safety risks associated with dealing with gas lines.