Tired of the hassle of complicated plumbing needed just to add ozone to your cold plunge? We’ve got you covered.

Introducing the Plunge Crafters InlineO3™ — a compact, high-efficiency ozone venturi injector designed specifically for DIY cold plunge systems. It seamlessly connects inline with your existing plumbing, eliminating the need for a bypass and preserving full water flow.

Cleaner water. Easier installs. Zero compromise.

Key Benefits:

• Direct Inline Integration – No bypass required, just screw it in 3/4" port and go.
• Optimized for Cold Plunges – Designed to work perfectly with 3/4"  NPT plumbing systems.
• Plug-and-Plunge Simplicity – Pairs effortlessly with our Ambohr SPA-124 Ozone Generator for fast, effective ozone delivery
• Built for Performance – Maintains optimal flow rate while maximizing ozone injection efficiency.

Specifications:

• Fits the full line of Plunge Crafters cold plunge tubs and any tub that has 3/4" NPT tub ports or bulkheads
• Compatible with 1/2" tub ports by using our 1/2" male to 3/4" female adapter
• Connects easily to 3/4" ID hoses or push-to-connect plumbing (depending on model)
• Designed for installation on tub inlet port 

Have questions? Reach out — we’re here to help you build the ultimate plunge setup.