33mm Glass Turbine Diffuser Disc in GREEN. This diffuser creates a turbine or tornadic effect. Made to fit inside of a 44mm heavy wall tube, or on the outer edge...

38mm Glass Turbine Disc. This turbine disc creates an air flow with a turbine, or tornadic effect. Fits inside of a 50mm tube.. It is 38 mm od.

38mm Amber Glass Turbine Disc. This turbine disc creates an air flow with a turbine, or tornadic effect. Fits inside of a 50mm tube.. It is 38 mm od.

38mm Black Glass Turbine Disc. This turbine disc creates an air flow with a turbine, or tornadic effect. Fits inside of a 50mm tube.. It is 38 mm od.

38mm Blue Glass Turbine Disc. This turbine disc creates an air flow with a turbine, or tornadic effect. Fits inside of a 50mm tube.. It is 38 mm od.

38mm Green Glass Turbine Disc. This turbine disc creates an air flow with a turbine, or tornadic effect. Fits inside of a 50mm tube.. It is 38 mm od.

50mm Glass Turbine Disc creates an air flow with a tornadic or turbine effect. This size disc is 50mm OD. For use inside of a 60mm heavy wall tube.

50mm Amber Turbine Disc creates an airflow with a tornadic or turbine effect. Disc is 50mm OD, made with Amber Glass, and is for use inside a 60mm heavy wall...

50mm Black Turbine Disc creates and airflow with a tornadic or turbine effect. Disc is 50mm OD, and is for use in a 60mm Heavy Wall Tube

50mm Blue Turbine Disc creates an airflow with a tornadic or turbine effect. Disc is 50mm OD, made with blue glass, and for use in a 60mm heavy wall tube.

50mm Green Turbine Disc creates an airflow with a tornadic or turbine effect. Disc is 50mm OD, made with green glass, and is for use inside a 60mm heavy wall...

60mm Green Turbine Disc creates an airflow with a tornadic or turbine effect. Disc is 60mm OD, made with green glass, and is for use inside a 70mm heavy wall...