Stretch Cordz Kick Trainer Option:Yellow Two cartridges are required for

Two cartridges are required for the TXC100 filter

This bag is designed for models: Aqua Broom and Aqua Broom Ultra

and two 1/2 inch hex nuts

This is a PVC Tee Fitting with two slip (socket) fitting connections and one FIPT (female) connection that measure4 Inch

Stretch Cordz Kick Trainer Option:Yellow Two cartridges are required forThe Stretch Cordz kick trainer adds resistance to legs during kick sets. This assist ankle recovery from breaststroke kick and adds resistance to abdominal muscles during dolphin kicks. The Kick Trainer includes two nylon shoulder harnesses and two adjustable foot harnesses that connect to two 20 inch tubes. No removable components or replacement parts. It is sold as a single unit and not interchangeable. StrechCordz Dry Land and In Water swim