New Cal Spas Jet Inserts for Cal Spas Only. 10 Pack Super Special PLU21703113. The item "New Cal Spas Jet inserts 5 Directional (10) Pack Special PLU21703113" is in sale since Wednesday, May 4, 2016.This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs". The seller is "archerplus" and is located in Stillwater, Minnesota. This item can be shipped to United States.