No good at all
Posted: 10/1/2013 from HOUSTON, TX UNITED STATES
I purchased 2 packages of these and they are without a doubt the worst air diffusers I have ever tried to use. All 6 of them leaked air through only a couple of holes. I might as well used just the tubing without a diffuser.
I really do not recommend them at all. I pitched these in the trash. Not worth sending back.
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