● Made of safe, washable and non-toxic material.
● Accelerate oxygen replenishment
● Increase water circulation when used with a high-output air pump
● Great for freshwater, saltwater/reef aquariums and hydroponic use
– RHX-006-40B: ø30×38mm, Small
– RHX-007-50B: ø50x50mm, Medium
– RHX-007-100B: ø50x100mm, Large
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