CAL Aqua Labs Inline CO2 Diffuser for Aquariums 13mm Cat Bed It is non-toxic and does

It is non-toxic and does not use or release any chemical substances or odors

5cm x W23cm

Feed only as much as the fish can consume in a few minutes 2-3 times a day

Made in South Africa

Scratch-resistant

CAL Aqua Labs Inline CO2 Diffuser for Aquariums 13mm Cat Bed It is non-toxic and doesThe CAL Aqua Labs Inline CO2 Diffuser for Aquariums is a CO2 diffuser that attaches inline to your canister outflow, hiding it from view. A glass chamber surrounds the diffuser disc in the center. Unlike many other inline reactors, the inline diffuser disperses CO2 while reducing the flow rate to a minimum. The input and output ports are connected by 1. 27cm tubing. Aquariums up to 210L are recommended. The unit also has two built in attachment points