7x73mm Unscented Cotton Refill Sticks Odorless Absorbent Cotton Wicks Replacement for Car Vent Diffuser Essential Cotton Rods

✅ Pure Odor-Free Cotton Material

Made of high-purity natural cotton without chemical additives, zero strange plastic or chemical odor. Safe to match essential oils, no weird mixed smell to ruin your customized fragrance.

✅ Standard Universal Size 7x73mm

Uniform dimension 7mm diameter ×73mm length, perfectly fit most mini pen-style car vent diffuser clips, portable pocket aroma diffuser tubes on the market, ideal replacement refills.

✅ Strong & Even Oil Absorption

Dense uniform fiber structure quickly soaks up essential oil, delivers slow, steady fragrance evaporation. Avoid fast volatilization, extend your car freshener lasting time.

✅ Soft Sturdy Structure, Not Easy To Break

Compressed solid cotton rod won’t shed fluff or split after long-time soaking. No cotton residue left inside your diffuser tube, keep your diffuser clean and unclogged.

✅ Multi-Scene Replacement Use

Perfect refills for car vent aromatherapy diffusers, pocket essential oil inhaler tubes, mini portable perfume sticks. Great for home, car, office, travel daily fragrance use, cost-effective bulk replacement supply.

Features:

Uniform porosity distribution; strong water absorption, large water storage, stable volatility

Not water soluble, no sticking, keep the water vapor evaporation rate consistent

It can match all types of perfumes and is non-toxic.