The Whisper Collection acrylic bathtubs are designed and engineered specifically for our "pipeless" whirlpool technology. The Whisper technology uses independent motors at each jet that are strategically positioned to provide the ultimate hydro-massage therapy. This innovative technology provides one of the most calming and relaxing bathing experiences available. All Whisper bathtubs include: 6 Jet Pipeless System / Americh Control Pad / 2 Chromotherapy Lights / Waste + Overflow / Pre-mounted Pump + Control.