Tandem (Certified Preowned)
Tandem (Certified Preowned)
These units are all inspected and certified for resale. Functionally they are equivalent to new units. They may have aesthetic damage (e.g. scratch marks) which is why we offer these at a steep discount.
These units are all inspected and certified for resale. Functionally they are equivalent to new units. They may have aesthetic damage (e.g. scratch marks) which is why we offer these at a steep discount.
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Free Shipping
Free Returns
Max Pressure
Renter Friendly
Requirements
Requirements
Tandem uses tension to mount between two walls that are between 56 and 76 inches apart. (We have adapters available here for shower widths down to 45 inches.)
Also your showerhead must come from overhead, directly out of a side wall, not the ceiling or back wall. If you're not sure, just email a photo to hello@boona.com.
Warranty
Warranty
All preowned Tandems come with a 12-month, worry-free guarantee. Any defective equipment & parts will be replaced, free of charge, within the warranty period using certified preowned parts. Warranty does not cover damage resulting from installation error, including falls, nor aesthetic issues.
Returns & Exchanges
Returns & Exchanges
You can return or exchange your undamaged Boona products within 30 days of delivery. Returns must use the original packaging to avoid damage in shipping. Return shipping for certified preowned purchases is at the customer's expense. Returns are processed within 7 days of return delivery. Limit of one return or exchange per customer. To start a return, click here.




































Bring on the Pressure
Our patented showerheads are custom-engineered to maximize your water pressure for both you and your partner.
Renter-Friendly
That's right. No contractors. Not even a tool is needed. Install Tandem in less than 10 minutes.
#tandemIRL











Showers Worth Sharing
No phones, no distractions. A moment for you and your partner to actually be present. And maybe finally get your back cleaned.
This thing is fantastic! I don't know what took me so long to get one. It was easy to install and the water pressure is great on both shower heads!
This was so easy to install and the water pressure is great. Im so happy with this purchase
What a wonderful product ,if you have a shower that will accept it you need to get it.
We have a nice walk-in shower with a decent space in it, now that being said my wife is only joined me once, but even showering alone with the twin head system is wonderful.
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Two heads are better than one, right? Our customers say so.
Try Tandem Risk-Free"It's a game-changer. My wife jumped in first and shrieked with joy." -Jared N.
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Will Tandem fit for me?

Tandem uses tension to mount between two walls. Check out our requirements here to see if it'll work for you. Not sure? Just email a photo to hello@boona.com.

I got you babe
Your karaoke needs delivered with our favorite duets on Spotify. Get your singing voices ready.

This could be you.
Renters and owners alike, rejoice
Tandem Shower installs easily with no tools in under 10 min. Extend to your shower length and connect to the water.