Aqua Lung First Stage Regulators / Aqualung Regulator Servicing Book an Appointment Aqua Lung First Stage Regulators Aqua Lung 70th Anniversary Legend 1st Stage Regulator Aqua Lung Legend LUX 1st Stage Regulator Aqua Lung Legend LUX Supreme 1st Stage Regulator Aqua Lung Legend LX Twilight Supreme 1st Stage Regulator Aqua Lung Legend LX Twilight 1st Stage Regulator Aqua Lung Legend LX 1st Stage Regulator Aqua Lung Legend LX Supreme 1st Stage Regulator Aqua Lung Legend 1st Stage Regulator Aqua Lung Legend Supreme 1st Stage Regulator Aqua Lung Legend Glacia 1st Stage Regulator Aqua Lung CORE 1st Stage Regulator Aqua Lung CORE Supreme 1st Stage Regulator Aqua Lung Mikron 1st Stage Regulator Aqua Lung Titan 1st Stage Regulator Aqua Lung Calypso 1st Stage Regulator