MRCOOL DIY 5th Gen Ceiling Cassette (18K-18K) 2-Zone 48,000 BTU Ductless Mini Split Heat Pump & AC

MRCOOL DIY 5th Gen Ceiling Cassette (18K-18K) 2-Zone 48,000 BTU Ductless Mini Split Heat Pump & AC

Marsoni

M251S

$3293.00

Get it in 3 business days with 1 day shipping. Friday, May 29

MRCOOL DIY 5th Gen Ceiling Cassette (18K-18K) 2-Zone 48,000 BTU Ductless Mini Split Heat Pump & ACThe MrCool DIY 2 Zone Mini Split featuring a 18K 18K configuration is a versatile system ideal for a master suite and 1 standard rooms. With the massive 48k condenser at its core, this system replaces traditional central air with a more efficient, targeted zoning solution for the whole house. Ideally suited for add ons and renovations, this system lets you skip expensive ductwork updates. The dual zone condenser allows you to target two specific areas

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This works really well! I used it several times and really saw a difference. Unfortunately I had a root canal done and the following day I decided to whiten and I thought I was going to die! I didn’t know my front tooth was going to be that sensitive from the tooth canal. That was my fault and only telling this story as a warning! Do not use this after dental work unless your dentist says ok! Otherwise it works amazingly!

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Reviewed in the United States on May 2, 2026

Verified Purchase

Zero

Waukegan, US

★★★★★ 4

Easy to use

Size: 4 Count (Pack of 1)

Continued use is needed for best results

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Reviewed in the United States on May 14, 2026

Verified Purchase

Nicole

Lowell, US

★★★★★ 5

No sensitivity issues and works!

Size: 4 Count (Pack of 2)

I have what I would consider sensitive teeth and this doesn’t bother them one bit. I have used nightly for about 5 nights and can see a difference in color but again, no pain or sensitivity problems! I would recommend to anyone who asks what product to get for whitening teeth.

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Reviewed in the United States on February 25, 2026