50mm Blue Diffuser Disc creates an effervescent airflow. A geometric hex pattern of holes perforates the disc. Disc is 50mm OD, blue glass, and is for use on the inside...

50mm Green Diffuser Disc creates an effervescent airflow. A geometric hex pattern of holes perforates the disc. Disc is 50mm OD, green glass, and is for use inside of a...

60mm Glass Diffuser Disc creates an effervescent airflow. Disc is 60mm OD, clear glass, and for use inside of a 70 x 4.2 mm tube. The thickness of these discs...

7mm Glass Diffuser Disc creates an effervescent airflow. Disc is 7mm OD, clear glass, and for use inside of a 12 x 2.2 mm tube.

8mm Glass Diffuser Disc creates an effervescent airflow. Disc is 8mm OD, clear glass, and for use inside of a 14 x 2.2 mm tube

Aquarium Aerator with 6 amber arms around the center tube

Aquarium Aerator with 6 clear arms around the center tube

Aquarium Aerator with 6 black arms around the center tube

Aquarium Aerator with 6 clear arms around the center tube

Aquarium Aerator with 6 Green arms around the center tube.

Aquarium Aerator with 6 pink arms around the center tube.

Aquarium Aerator with 6 clear arms around the center tube.