Replacement two-piece, one-way valve for AIRE Tomcats, Strikes, and Tributary Rafts. The Summit 2 Valve has a blue ring inside to distinguish it from the older model. It does not have the valve stem bridge that requires a separate adapter. Used in Tomcat IKs 2005 - Present Used in Strike IKs 2007 - Used in Tributary 9.5 SF 2005 - Present Used in Tributary 14.0 SB 2004 - 2005