The Rain Barrel Seal Inlet Pack has three essential pieces to connect your rain barrel to your RainReserve Rain Diverter. The seal inlet pack includes: 1 rain barrel hose adapter, 1 rain barrel seal, and 1 roll of Teflon tape. The seal inlet pack is not needed if you have a rain barrel already connected to your RainReserve Rain Diverter. This pack CAN be used for adding an additional rain barrel to your RainReserve System. The seal inlet pack does not include a high-flow spigot or spigot adaptor. Those pieces can be found in the Rain Barrel Spigot Pack. These packs are not necessary for already connected and usable rain barrels. Requires a 1 3/16” hole Spade Bit. The price of shipping in a USPS flat rate box is included in the price.