Be careful with Etsy - not one of those approximations is the actual Patent Random Flow Generator® design.
Can't tell you how many times we see people at the various reefing shows and they watch our live demo of the Random Flow Generator and say,
"Yeah i got mine off Etsy, and no - they don't work like that... I'll take two."
Honestly, we've worked extremely hard to bring this product to market and we stand behind it 100% Our new Flex-Series Random Flow Generator is top notch. Does exactly what we promise and is highly compatible. Plus - It's super easy to install, nearly indestructible and and keep clean.
Then - with our
preconfigured flow kits, we have taken all the guesswork out of what size and adapters you may need to connect to your tank
You'll find the Random Flow Generator at all major online retailers including
@AquariumSpecialty who just commented above. You'll also find it at all major online retail and possible at your local fish store.
Just to put it out there - when you choose to purchase an actual Random Flow Generator® created by Vivid Creative Aquatics, you are supporting a small business that works very hard to produce the very best product we can . We (my wife an I) have risked everything to start this business over 6 years ago. This is not a side gig - this is a full-time business and we have a small staff of 3. Regardless of where you chose to purchase our products we are your single point of contact for support - We stand behind our products 100%.
OK, I'll get off the soup box now - LOL. But, seriously, go with the real Random Flow Generator. I think you will genuinely be impress with what it can do for your aquarium. it works great in ours