This set from Solstice includes 2 type "T" and 2 type "F" Standard Boston Replacement Valves. Kit includes four (4) Boston valves, two (2) sets of two (2) different styles. Due to size and/or thread-count, avoid forcing or cross-thread when installing. One style will fit Solstice products properly. Do not over tighten.
2 type "T" and 2 type "F"
2 pieces in each of the two most common styles of Boston valves
Designed to work with Solstice and Swimline inflatables, boats, and
kayaks