Features a ``Duracote`` solid color coordinated plastic retaining and nonchill rings with ``Trimflex`` binaural tubing assembly. Available in different colors and finishes.

A premium version features ``Trimflex`` ``Duracote`` Jemstone Jade Green inner spring binaural tubing with matching chestpieces and color coordinated trimmings.

A budget model with a proven performance features ``Trimflex`` binaural tubing assembly and color coordinated retaining and non chill rings.

A chestpiece made from aluminum material with ``Simplex`` binaural, 1 piece molded PVC tubing and metal retaining ring. Available in different colors and finishes.

A budget model with a proven performance features ``Trimflex`` binaural tubing assembly and color coordinated retaining and non chill rings.

A chestpiece made from aluminum material with ``Simplex`` binaural, 1 piece molded PVC tubing and metal retaining ring. Available in different colors and finishes.

Features chestpiece made of aluminum material with metal retaining ring, ``Simplex`` binaural and 1 piece molded PVC tubing. Available in different colors and finishes.

Features chestpiece made of aluminum material with metal retaining ring, ``Simplex`` binaural and 1 piece molded PVC tubing. Available in different colors and finishes.

A chestpiece made from aluminum material with ``Simplex`` binaural, 1 piece molded PVC tubing and metal retaining ring.