Abstract: An apparatus for aging a liquid in a container includes: an elongated bung having a top and a bottom, the bottom having a male or female connector; and an elongated wooden piece having a longitudinal axis, an upper end, a lower end, and a side, the upper end having a male or female connector adapted to connect to the male or female connector of the bottom of the elongated bung, whereby the elongated bung and the elongated wooden piece are removably connected by connecting the male or female connector of the bottom of the elongated bung with the male or female connector of the upper end of the elongated wooden piece. The bung may have a first opening, a side with another opening, the first opening being fluidly connected to the another opening by a pathway adapted to transmit a gas from the container through the first opening.

Abstract: A rigid or semi-rigid cover for installation over an insulated pipe fitting is provided. The cover is pre-cut in the geometric design that enables it to conform to the shape of the pipe fitting when installed.