BASE WAVE 4 Pcs of Replacement Diffusing Disc for Aquarium CO2 Diffuser (2 Sizes Aavailable) (1.22 inches (31mm) x 4 pcs)

Description

Package include : 4 pcs ; Material : high density ceramic ; Diameter : 1.22 inches ; Please soak the product for 24 hours before use. The product will not normally work in first day,keep it working,bubble will be fine after 24 hours.