Carlisle ST1 O-Ring Kit Complete For Gun 336421

The Carlisle ST1 O-Ring Kit Complete For Gun 336421 is a comprehensive set of replacement parts for the Carlisle ST1 spray gun, which is a device that applies spray foam insulation to various surfaces. The kit contains 21 O-rings, which are circular rubber seals that prevent leakage of fluids or gases in the spray gun. The kit also includes all the wetted parts, which are the parts that come in contact with the spray material. The kit is designed to extend the life and performance of the spray gun by replacing worn or damaged parts. The kit is compatible with the Carlisle ST1 spray gun model only.