WirthCo Funnel King Double Capped Yellow Funnel - 1-1/2 Quart Capacity is designed to keep the drips in and the dirt out. The caps reduce debris and eliminate spills and contaminants. Clean fluids help prevent mechanical damage. Chemically resistant polyethylene ensures durability. It also features a hanger hole for proper storage. The funnel has a top inner diameter of 4 inches and an overall height without cap of 14-1/4 inches. The spout is 3/4 inch in diameter. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.