HQUA-OWS-124 UV Water Purifier for Whole House, 12GPM 110V 40W Model + 2 Extra Lamp + 1 Extra Ballast + 1 Extra Quartz…

Amazon.com Price: $272.99 (as of 26/06/2022 04:10 PST- Details)

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40W 12GPM unit, 37.2*2.5 in stainless steel chamber, 3/4” (DH20, OD 1.05 inch, 26.67cm) MNPT inlet/outlet.
Easy installation, No plumber needed. Horizontal installation and metal connector for the inlet/outlet is recommended.