Car Hanging Diffusers | Natural Pyramid 4 pack

Stay Fresh Car Hanging Diffusers can be refilled as many times as you need. Easy to install; great for your car, gifts, party favors, and any special occasion. Features: Type: Empty refillable Perfume Bottle, easy to install Color: Clear, Pink, Purple, Blue , and Teal  Material: Glass, Wood Capacity: 8ml Features: Empty Bottle, Wooden Lid, Clear Glass Bottle, Plastic Stopper  Package Includes: 4x Perfume Bottles 1x transfer dropper  Instructions Directions:1. To use remove the wooden bottle lid and plastic stopper, then fill the bottle with your fragrance mix, then tighten the lid back on without the stopper. (Optional) Mix 2:1 Reed Diffuser with fragrance oil Here is a simple formula: For example, let's say you purchase 1 oz. fragrance oil and you want to figure out how many 8 ml car air diffusers you can make using a 2:1 ratio method. There are 29.573 milliliters in a fluid ounce (round up for easy measuring) 2 oz. reed diffuser + 1 oz. fragrance oil = 3 oz. (90 ml