Just like it sounds, the Bird Cage Perc is built like a bird cage. Vertical bars of glass, with 3 glass rings on the inside of that "cage" This perc...

Just like it sounds, the Bird Cage Perc is built like a bird cage. Vertical bars of glass, with 3 glass rings on the inside of that "cage" This perc...

Just like it sounds, the Bird Cage Perc is built like a bird cage. Vertical bars of glass, with 3 glass rings on the inside of that "cage" This perc...

15mm Glass Diffuser Disc creates an effervescent airflow. The disc is 15mm OD, clear glass, and is for use inside of a 25 x 4 mm tube

20mm Glass Diffuser Disc creates an effervescent airflow. The disc is 20mm OD, clear glass, and is for use inside of a 26 x 2.8 mm tube

26mm Glass Diffuser Disc creates an effervescent airflow. The disc is 26mm OD, clear glass, and is for use inside of a 32mm x 2.8mm tube

28mm Glass Diffuser Disc creates an effervescent airflow. Disc is 28mm OD, clear glass, and for use inside of a 36 x 4 mm tube.

28mm Amber Diffusing Disc creates an effervescent airflow. Disc is 28mm OD, Amber Glass, and is for use inside of a 38 x 4mm tube.

28mm Black Diffuser Disc makes an effervescent airflow. A geometric pattern of holes peforates the disc. The disc is 28mm OD, Black Glass, and is for use on the inside...

28mm Blue Diffuser Disc make an effervescent airflow. A geometric pattern of holes perforates the disc. Disc is 28mm OD, Blue Glass, and is for use inside of a 38...

28mm Green Diffuser Disc creates an effervescent airflow. Disc is 28mm OD, Green Glass, and is for use inside of a 38 x 4mm tube..

33mm Glass Diffuser Disc creates an effervescent airflow. The disc is 33mm OD, clear glass, and is for use inside of a 44 x 4 mm tube