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HVAC One-Way Check Valve Kit – Anti-Backflow Connector for Scent Diffusers

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Original price

US$23.00

Sale price

US$9.90

HVAC air pressure can force sticky oil and moisture backwards, clogging your diffuser or causing short circuits. Our One-Way Check Valve allows mist out but blocks backflow—protecting your expensive scent machine and keeping your AC vents clean

 

 

Universal Multi-Size Fit (4mm–12mm)

Features highly adaptable dual ends that perfectly connect to 4mm, 6mm, 8mm, 10mm, and 12mm tubing. No more guessing sizes or buying extra adapters—it guarantees a hassle-free, leak-proof match for 99% of HVAC scent machine hoses.

 

For 4mm Tube
For 6mm Tube
For 8mm Tube
For 10mm Tube
For 12mm Tube

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 Child and Pet Safe     *      Pure Luxury Fragrance     *    Waterless Cold-Air Diffusion    *    Cruelty Free      

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